Merge udf, isofs, quota, ext2 changes for 4.15-rc1.

Documentation/filesystems/udf.txt

 *
 * Documentation/filesystems/udf.txt
 *
-UDF Filesystem version 0.9.8.1
 
 If you encounter problems with reading UDF discs using this driver,
-please report them to linux_udf@hpesjro.fc.hp.com, which is the
-developer's list.
+please report them according to MAINTAINERS file.
 
 Write support requires a block driver which supports writing.  Currently
 dvd+rw drives and media support true random sector writes, and so a udf
@@ -73,10 +71,8 @@ The following expect a offset from the partition root.
 
 
 For the latest version and toolset see:
-	http://linux-udf.sourceforge.net/
+	https://github.com/pali/udftools
 
 Documentation on UDF and ECMA 167 is available FREE from:
 	http://www.osta.org/
 	http://www.ecma-international.org/
-
-Ben Fennema <bfennema@falcon.csc.calpoly.edu>

fs/isofs/isofs.h

@@ -72,41 +72,41 @@ static inline struct iso_inode_info *ISOFS_I(struct inode *inode)
 	return container_of(inode, struct iso_inode_info, vfs_inode);
 }
 
-static inline int isonum_711(char *p)
+static inline int isonum_711(u8 *p)
 {
-	return *(u8 *)p;
+	return *p;
 }
-static inline int isonum_712(char *p)
+static inline int isonum_712(s8 *p)
 {
-	return *(s8 *)p;
+	return *p;
 }
-static inline unsigned int isonum_721(char *p)
+static inline unsigned int isonum_721(u8 *p)
 {
 	return get_unaligned_le16(p);
 }
-static inline unsigned int isonum_722(char *p)
+static inline unsigned int isonum_722(u8 *p)
 {
 	return get_unaligned_be16(p);
 }
-static inline unsigned int isonum_723(char *p)
+static inline unsigned int isonum_723(u8 *p)
 {
 	/* Ignore bigendian datum due to broken mastering programs */
 	return get_unaligned_le16(p);
 }
-static inline unsigned int isonum_731(char *p)
+static inline unsigned int isonum_731(u8 *p)
 {
 	return get_unaligned_le32(p);
 }
-static inline unsigned int isonum_732(char *p)
+static inline unsigned int isonum_732(u8 *p)
 {
 	return get_unaligned_be32(p);
 }
-static inline unsigned int isonum_733(char *p)
+static inline unsigned int isonum_733(u8 *p)
 {
 	/* Ignore bigendian datum due to broken mastering programs */
 	return get_unaligned_le32(p);
 }
-extern int iso_date(char *, int);
+extern int iso_date(u8 *, int);
 
 struct inode;		/* To make gcc happy */
 

fs/isofs/rock.h

@@ -6,78 +6,78 @@
  */
 
 struct SU_SP_s {
-	unsigned char magic[2];
-	unsigned char skip;
+	__u8 magic[2];
+	__u8 skip;
 } __attribute__ ((packed));
 
 struct SU_CE_s {
-	char extent[8];
-	char offset[8];
-	char size[8];
+	__u8 extent[8];
+	__u8 offset[8];
+	__u8 size[8];
 };
 
 struct SU_ER_s {
-	unsigned char len_id;
-	unsigned char len_des;
-	unsigned char len_src;
-	unsigned char ext_ver;
-	char data[0];
+	__u8 len_id;
+	__u8 len_des;
+	__u8 len_src;
+	__u8 ext_ver;
+	__u8 data[0];
 } __attribute__ ((packed));
 
 struct RR_RR_s {
-	char flags[1];
+	__u8 flags[1];
 } __attribute__ ((packed));
 
 struct RR_PX_s {
-	char mode[8];
-	char n_links[8];
-	char uid[8];
-	char gid[8];
+	__u8 mode[8];
+	__u8 n_links[8];
+	__u8 uid[8];
+	__u8 gid[8];
 };
 
 struct RR_PN_s {
-	char dev_high[8];
-	char dev_low[8];
+	__u8 dev_high[8];
+	__u8 dev_low[8];
 };
 
 struct SL_component {
-	unsigned char flags;
-	unsigned char len;
-	char text[0];
+	__u8 flags;
+	__u8 len;
+	__u8 text[0];
 } __attribute__ ((packed));
 
 struct RR_SL_s {
-	unsigned char flags;
+	__u8 flags;
 	struct SL_component link;
 } __attribute__ ((packed));
 
 struct RR_NM_s {
-	unsigned char flags;
+	__u8 flags;
 	char name[0];
 } __attribute__ ((packed));
 
 struct RR_CL_s {
-	char location[8];
+	__u8 location[8];
 };
 
 struct RR_PL_s {
-	char location[8];
+	__u8 location[8];
 };
 
 struct stamp {
-	char time[7];
+	__u8 time[7];		/* actually 6 unsigned, 1 signed */
 } __attribute__ ((packed));
 
 struct RR_TF_s {
-	char flags;
+	__u8 flags;
 	struct stamp times[0];	/* Variable number of these beasts */
 } __attribute__ ((packed));
 
 /* Linux-specific extension for transparent decompression */
 struct RR_ZF_s {
-	char algorithm[2];
-	char parms[2];
-	char real_size[8];
+	__u8 algorithm[2];
+	__u8 parms[2];
+	__u8 real_size[8];
 };
 
 /*
@@ -93,9 +93,9 @@ struct RR_ZF_s {
 #define TF_LONG_FORM 128
 
 struct rock_ridge {
-	char signature[2];
-	unsigned char len;
-	unsigned char version;
+	__u8 signature[2];
+	__u8 len;
+	__u8 version;
 	union {
 		struct SU_SP_s SP;
 		struct SU_CE_s CE;

fs/isofs/util.c

@@ -15,7 +15,7 @@
  * to GMT.  Thus  we should always be correct.
  */
 
-int iso_date(char * p, int flag)
+int iso_date(u8 *p, int flag)
 {
 	int year, month, day, hour, minute, second, tz;
 	int crtime;

fs/notify/fanotify/fanotify.c

@@ -9,6 +9,7 @@
 #include <linux/sched/user.h>
 #include <linux/types.h>
 #include <linux/wait.h>
+#include <linux/audit.h>
 
 #include "fanotify.h"
 
@@ -78,7 +79,7 @@ static int fanotify_get_response(struct fsnotify_group *group,
 	fsnotify_finish_user_wait(iter_info);
 out:
 	/* userspace responded, convert to something usable */
-	switch (event->response) {
+	switch (event->response & ~FAN_AUDIT) {
 	case FAN_ALLOW:
 		ret = 0;
 		break;
@@ -86,6 +87,11 @@ static int fanotify_get_response(struct fsnotify_group *group,
 	default:
 		ret = -EPERM;
 	}
+
+	/* Check if the response should be audited */
+	if (event->response & FAN_AUDIT)
+		audit_fanotify(event->response & ~FAN_AUDIT);
+
 	event->response = 0;
 
 	pr_debug("%s: group=%p event=%p about to return ret=%d\n", __func__,

fs/notify/fanotify/fanotify_user.c

@@ -179,7 +179,7 @@ static int process_access_response(struct fsnotify_group *group,
 	 * userspace can send a valid response or we will clean it up after the
 	 * timeout
 	 */
-	switch (response) {
+	switch (response & ~FAN_AUDIT) {
 	case FAN_ALLOW:
 	case FAN_DENY:
 		break;
@@ -190,6 +190,9 @@ static int process_access_response(struct fsnotify_group *group,
 	if (fd < 0)
 		return -EINVAL;
 
+	if ((response & FAN_AUDIT) && !group->fanotify_data.audit)
+		return -EINVAL;
+
 	event = dequeue_event(group, fd);
 	if (!event)
 		return -ENOENT;
@@ -721,7 +724,11 @@ SYSCALL_DEFINE2(fanotify_init, unsigned int, flags, unsigned int, event_f_flags)
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
+#ifdef CONFIG_AUDITSYSCALL
+	if (flags & ~(FAN_ALL_INIT_FLAGS | FAN_ENABLE_AUDIT))
+#else
 	if (flags & ~FAN_ALL_INIT_FLAGS)
+#endif
 		return -EINVAL;
 
 	if (event_f_flags & ~FANOTIFY_INIT_ALL_EVENT_F_BITS)
@@ -805,6 +812,13 @@ SYSCALL_DEFINE2(fanotify_init, unsigned int, flags, unsigned int, event_f_flags)
 		group->fanotify_data.max_marks = FANOTIFY_DEFAULT_MAX_MARKS;
 	}
 
+	if (flags & FAN_ENABLE_AUDIT) {
+		fd = -EPERM;
+		if (!capable(CAP_AUDIT_WRITE))
+			goto out_destroy_group;
+		group->fanotify_data.audit = true;
+	}
+
 	fd = anon_inode_getfd("[fanotify]", &fanotify_fops, group, f_flags);
 	if (fd < 0)
 		goto out_destroy_group;

fs/notify/fdinfo.c

@@ -156,6 +156,9 @@ void fanotify_show_fdinfo(struct seq_file *m, struct file *f)
 	if (group->fanotify_data.max_marks == UINT_MAX)
 		flags |= FAN_UNLIMITED_MARKS;
 
+	if (group->fanotify_data.audit)
+		flags |= FAN_ENABLE_AUDIT;
+
 	seq_printf(m, "fanotify flags:%x event-flags:%x\n",
 		   flags, group->fanotify_data.f_flags);
 

fs/quota/dquot.c

@@ -644,8 +644,15 @@ int dquot_writeback_dquots(struct super_block *sb, int type)
 			spin_unlock(&dq_list_lock);
 			dqstats_inc(DQST_LOOKUPS);
 			err = sb->dq_op->write_dquot(dquot);
-			if (!ret && err)
-				ret = err;
+			if (err) {
+				/*
+				 * Clear dirty bit anyway to avoid infinite
+				 * loop here.
+				 */
+				clear_dquot_dirty(dquot);
+				if (!ret)
+					ret = err;
+			}
 			dqput(dquot);
 			spin_lock(&dq_list_lock);
 		}
@@ -2138,7 +2145,7 @@ int dquot_file_open(struct inode *inode, struct file *file)
 
 	error = generic_file_open(inode, file);
 	if (!error && (file->f_mode & FMODE_WRITE))
-		dquot_initialize(inode);
+		error = dquot_initialize(inode);
 	return error;
 }
 EXPORT_SYMBOL(dquot_file_open);

fs/udf/balloc.c

@@ -58,7 +58,7 @@ static int __load_block_bitmap(struct super_block *sb,
 	int nr_groups = bitmap->s_nr_groups;
 
 	if (block_group >= nr_groups) {
-		udf_debug("block_group (%d) > nr_groups (%d)\n",
+		udf_debug("block_group (%u) > nr_groups (%d)\n",
 			  block_group, nr_groups);
 	}
 
@@ -122,7 +122,7 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
 	partmap = &sbi->s_partmaps[bloc->partitionReferenceNum];
 	if (bloc->logicalBlockNum + count < count ||
 	    (bloc->logicalBlockNum + count) > partmap->s_partition_len) {
-		udf_debug("%d < %d || %d + %d > %d\n",
+		udf_debug("%u < %d || %u + %u > %u\n",
 			  bloc->logicalBlockNum, 0,
 			  bloc->logicalBlockNum, count,
 			  partmap->s_partition_len);
@@ -151,9 +151,9 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
 		bh = bitmap->s_block_bitmap[bitmap_nr];
 		for (i = 0; i < count; i++) {
 			if (udf_set_bit(bit + i, bh->b_data)) {
-				udf_debug("bit %ld already set\n", bit + i);
+				udf_debug("bit %lu already set\n", bit + i);
 				udf_debug("byte=%2x\n",
-					  ((char *)bh->b_data)[(bit + i) >> 3]);
+					  ((__u8 *)bh->b_data)[(bit + i) >> 3]);
 			}
 		}
 		udf_add_free_space(sb, sbi->s_partition, count);
@@ -218,16 +218,18 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
 	return alloc_count;
 }
 
-static int udf_bitmap_new_block(struct super_block *sb,
+static udf_pblk_t udf_bitmap_new_block(struct super_block *sb,
 				struct udf_bitmap *bitmap, uint16_t partition,
 				uint32_t goal, int *err)
 {
 	struct udf_sb_info *sbi = UDF_SB(sb);
-	int newbit, bit = 0, block, block_group, group_start;
+	int newbit, bit = 0;
+	udf_pblk_t block;
+	int block_group, group_start;
 	int end_goal, nr_groups, bitmap_nr, i;
 	struct buffer_head *bh = NULL;
 	char *ptr;
-	int newblock = 0;
+	udf_pblk_t newblock = 0;
 
 	*err = -ENOSPC;
 	mutex_lock(&sbi->s_alloc_mutex);
@@ -362,7 +364,7 @@ static void udf_table_free_blocks(struct super_block *sb,
 	partmap = &sbi->s_partmaps[bloc->partitionReferenceNum];
 	if (bloc->logicalBlockNum + count < count ||
 	    (bloc->logicalBlockNum + count) > partmap->s_partition_len) {
-		udf_debug("%d < %d || %d + %d > %d\n",
+		udf_debug("%u < %d || %u + %u > %u\n",
 			  bloc->logicalBlockNum, 0,
 			  bloc->logicalBlockNum, count,
 			  partmap->s_partition_len);
@@ -515,7 +517,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
 
 	while (first_block != eloc.logicalBlockNum &&
 	       (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
-		udf_debug("eloc=%d, elen=%d, first_block=%d\n",
+		udf_debug("eloc=%u, elen=%u, first_block=%u\n",
 			  eloc.logicalBlockNum, elen, first_block);
 		; /* empty loop body */
 	}
@@ -545,13 +547,14 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
 	return alloc_count;
 }
 
-static int udf_table_new_block(struct super_block *sb,
+static udf_pblk_t udf_table_new_block(struct super_block *sb,
 			       struct inode *table, uint16_t partition,
 			       uint32_t goal, int *err)
 {
 	struct udf_sb_info *sbi = UDF_SB(sb);
 	uint32_t spread = 0xFFFFFFFF, nspread = 0xFFFFFFFF;
-	uint32_t newblock = 0, adsize;
+	udf_pblk_t newblock = 0;
+	uint32_t adsize;
 	uint32_t elen, goal_elen = 0;
 	struct kernel_lb_addr eloc, uninitialized_var(goal_eloc);
 	struct extent_position epos, goal_epos;
@@ -700,12 +703,12 @@ inline int udf_prealloc_blocks(struct super_block *sb,
 	return allocated;
 }
 
-inline int udf_new_block(struct super_block *sb,
+inline udf_pblk_t udf_new_block(struct super_block *sb,
 			 struct inode *inode,
 			 uint16_t partition, uint32_t goal, int *err)
 {
 	struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition];
-	int block;
+	udf_pblk_t block;
 
 	if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP)
 		block = udf_bitmap_new_block(sb,

fs/udf/dir.c

@@ -43,7 +43,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx)
 	struct udf_fileident_bh fibh = { .sbh = NULL, .ebh = NULL};
 	struct fileIdentDesc *fi = NULL;
 	struct fileIdentDesc cfi;
-	int block, iblock;
+	udf_pblk_t block, iblock;
 	loff_t nf_pos;
 	int flen;
 	unsigned char *fname = NULL, *copy_name = NULL;

fs/udf/directory.c

@@ -26,7 +26,8 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
 					 sector_t *offset)
 {
 	struct fileIdentDesc *fi;
-	int i, num, block;
+	int i, num;
+	udf_pblk_t block;
 	struct buffer_head *tmp, *bha[16];
 	struct udf_inode_info *iinfo = UDF_I(dir);
 
@@ -51,7 +52,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
 	}
 
 	if (fibh->eoffset == dir->i_sb->s_blocksize) {
-		int lextoffset = epos->offset;
+		uint32_t lextoffset = epos->offset;
 		unsigned char blocksize_bits = dir->i_sb->s_blocksize_bits;
 
 		if (udf_next_aext(dir, epos, eloc, elen, 1) !=
@@ -110,7 +111,7 @@ struct fileIdentDesc *udf_fileident_read(struct inode *dir, loff_t *nf_pos,
 		memcpy((uint8_t *)cfi, (uint8_t *)fi,
 		       sizeof(struct fileIdentDesc));
 	} else if (fibh->eoffset > dir->i_sb->s_blocksize) {
-		int lextoffset = epos->offset;
+		uint32_t lextoffset = epos->offset;
 
 		if (udf_next_aext(dir, epos, eloc, elen, 1) !=
 		    (EXT_RECORDED_ALLOCATED >> 30))
@@ -175,7 +176,7 @@ struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset)
 	if (fi->descTag.tagIdent != cpu_to_le16(TAG_IDENT_FID)) {
 		udf_debug("0x%x != TAG_IDENT_FID\n",
 			  le16_to_cpu(fi->descTag.tagIdent));
-		udf_debug("offset: %u sizeof: %lu bufsize: %u\n",
+		udf_debug("offset: %d sizeof: %lu bufsize: %d\n",
 			  *offset, (unsigned long)sizeof(struct fileIdentDesc),
 			  bufsize);
 		return NULL;

fs/udf/ialloc.c

@@ -50,7 +50,7 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode)
 	struct super_block *sb = dir->i_sb;
 	struct udf_sb_info *sbi = UDF_SB(sb);
 	struct inode *inode;
-	int block;
+	udf_pblk_t block;
 	uint32_t start = UDF_I(dir)->i_location.logicalBlockNum;
 	struct udf_inode_info *iinfo;
 	struct udf_inode_info *dinfo = UDF_I(dir);

fs/udf/inode.c

@@ -52,7 +52,7 @@ static int udf_alloc_i_data(struct inode *inode, size_t size);
 static sector_t inode_getblk(struct inode *, sector_t, int *, int *);
 static int8_t udf_insert_aext(struct inode *, struct extent_position,
 			      struct kernel_lb_addr, uint32_t);
-static void udf_split_extents(struct inode *, int *, int, int,
+static void udf_split_extents(struct inode *, int *, int, udf_pblk_t,
 			      struct kernel_long_ad *, int *);
 static void udf_prealloc_extents(struct inode *, int, int,
 				 struct kernel_long_ad *, int *);
@@ -316,10 +316,10 @@ int udf_expand_file_adinicb(struct inode *inode)
 	return err;
 }
 
-struct buffer_head *udf_expand_dir_adinicb(struct inode *inode, int *block,
-					   int *err)
+struct buffer_head *udf_expand_dir_adinicb(struct inode *inode,
+					    udf_pblk_t *block, int *err)
 {
-	int newblock;
+	udf_pblk_t newblock;
 	struct buffer_head *dbh = NULL;
 	struct kernel_lb_addr eloc;
 	uint8_t alloctype;
@@ -446,7 +446,7 @@ static int udf_get_block(struct inode *inode, sector_t block,
 	return err;
 }
 
-static struct buffer_head *udf_getblk(struct inode *inode, long block,
+static struct buffer_head *udf_getblk(struct inode *inode, udf_pblk_t block,
 				      int create, int *err)
 {
 	struct buffer_head *bh;
@@ -480,7 +480,7 @@ static int udf_do_extend_file(struct inode *inode,
 	int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
 	struct super_block *sb = inode->i_sb;
 	struct kernel_lb_addr prealloc_loc = {};
-	int prealloc_len = 0;
+	uint32_t prealloc_len = 0;
 	struct udf_inode_info *iinfo;
 	int err;
 
@@ -663,11 +663,11 @@ static sector_t inode_getblk(struct inode *inode, sector_t block,
 	struct kernel_lb_addr eloc, tmpeloc;
 	int c = 1;
 	loff_t lbcount = 0, b_off = 0;
-	uint32_t newblocknum, newblock;
+	udf_pblk_t newblocknum, newblock;
 	sector_t offset = 0;
 	int8_t etype;
 	struct udf_inode_info *iinfo = UDF_I(inode);
-	int goal = 0, pgoal = iinfo->i_location.logicalBlockNum;
+	udf_pblk_t goal = 0, pgoal = iinfo->i_location.logicalBlockNum;
 	int lastblock = 0;
 	bool isBeyondEOF;
 
@@ -879,8 +879,8 @@ static sector_t inode_getblk(struct inode *inode, sector_t block,
 }
 
 static void udf_split_extents(struct inode *inode, int *c, int offset,
-			      int newblocknum, struct kernel_long_ad *laarr,
-			      int *endnum)
+			       udf_pblk_t newblocknum,
+			       struct kernel_long_ad *laarr, int *endnum)
 {
 	unsigned long blocksize = inode->i_sb->s_blocksize;
 	unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
@@ -1166,7 +1166,7 @@ static void udf_update_extents(struct inode *inode, struct kernel_long_ad *laarr
 	}
 }
 
-struct buffer_head *udf_bread(struct inode *inode, int block,
+struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block,
 			      int create, int *err)
 {
 	struct buffer_head *bh = NULL;
@@ -1193,7 +1193,7 @@ int udf_setsize(struct inode *inode, loff_t newsize)
 {
 	int err;
 	struct udf_inode_info *iinfo;
-	int bsize = i_blocksize(inode);
+	unsigned int bsize = i_blocksize(inode);
 
 	if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
 	      S_ISLNK(inode->i_mode)))
@@ -1278,14 +1278,14 @@ static int udf_read_inode(struct inode *inode, bool hidden_inode)
 
 reread:
 	if (iloc->partitionReferenceNum >= sbi->s_partitions) {
-		udf_debug("partition reference: %d > logical volume partitions: %d\n",
+		udf_debug("partition reference: %u > logical volume partitions: %u\n",
 			  iloc->partitionReferenceNum, sbi->s_partitions);
 		return -EIO;
 	}
 
 	if (iloc->logicalBlockNum >=
 	    sbi->s_partmaps[iloc->partitionReferenceNum].s_partition_len) {
-		udf_debug("block=%d, partition=%d out of range\n",
+		udf_debug("block=%u, partition=%u out of range\n",
 			  iloc->logicalBlockNum, iloc->partitionReferenceNum);
 		return -EIO;
 	}
@@ -1304,13 +1304,13 @@ static int udf_read_inode(struct inode *inode, bool hidden_inode)
 	 */
 	bh = udf_read_ptagged(inode->i_sb, iloc, 0, &ident);
 	if (!bh) {
-		udf_err(inode->i_sb, "(ino %ld) failed !bh\n", inode->i_ino);
+		udf_err(inode->i_sb, "(ino %lu) failed !bh\n", inode->i_ino);
 		return -EIO;
 	}
 
 	if (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE &&
 	    ident != TAG_IDENT_USE) {
-		udf_err(inode->i_sb, "(ino %ld) failed ident=%d\n",
+		udf_err(inode->i_sb, "(ino %lu) failed ident=%u\n",
 			inode->i_ino, ident);
 		goto out;
 	}
@@ -1346,7 +1346,7 @@ static int udf_read_inode(struct inode *inode, bool hidden_inode)
 		}
 		brelse(ibh);
 	} else if (fe->icbTag.strategyType != cpu_to_le16(4)) {
-		udf_err(inode->i_sb, "unsupported strategy type: %d\n",
+		udf_err(inode->i_sb, "unsupported strategy type: %u\n",
 			le16_to_cpu(fe->icbTag.strategyType));
 		goto out;
 	}
@@ -1547,7 +1547,7 @@ static int udf_read_inode(struct inode *inode, bool hidden_inode)
 		udf_debug("METADATA BITMAP FILE-----\n");
 		break;
 	default:
-		udf_err(inode->i_sb, "(ino %ld) failed unknown file type=%d\n",
+		udf_err(inode->i_sb, "(ino %lu) failed unknown file type=%u\n",
 			inode->i_ino, fe->icbTag.fileType);
 		goto out;
 	}
@@ -1852,7 +1852,7 @@ struct inode *__udf_iget(struct super_block *sb, struct kernel_lb_addr *ino,
 	return inode;
 }
 
-int udf_setup_indirect_aext(struct inode *inode, int block,
+int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block,
 			    struct extent_position *epos)
 {
 	struct super_block *sb = inode->i_sb;
@@ -1994,7 +1994,7 @@ int udf_add_aext(struct inode *inode, struct extent_position *epos,
 
 	if (epos->offset + (2 * adsize) > sb->s_blocksize) {
 		int err;
-		int new_block;
+		udf_pblk_t new_block;
 
 		new_block = udf_new_block(sb, NULL,
 					  epos->block.partitionReferenceNum,
@@ -2076,7 +2076,7 @@ int8_t udf_next_aext(struct inode *inode, struct extent_position *epos,
 
 	while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) ==
 	       (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) {
-		int block;
+		udf_pblk_t block;
 
 		if (++indirections > UDF_MAX_INDIR_EXTS) {
 			udf_err(inode->i_sb,
@@ -2091,7 +2091,7 @@ int8_t udf_next_aext(struct inode *inode, struct extent_position *epos,
 		block = udf_get_lb_pblock(inode->i_sb, &epos->block, 0);
 		epos->bh = udf_tread(inode->i_sb, block);
 		if (!epos->bh) {
-			udf_debug("reading block %d failed!\n", block);
+			udf_debug("reading block %u failed!\n", block);
 			return -1;
 		}
 	}
@@ -2146,7 +2146,7 @@ int8_t udf_current_aext(struct inode *inode, struct extent_position *epos,
 		*elen = le32_to_cpu(lad->extLength) & UDF_EXTENT_LENGTH_MASK;
 		break;
 	default:
-		udf_debug("alloc_type = %d unsupported\n", iinfo->i_alloc_type);
+		udf_debug("alloc_type = %u unsupported\n", iinfo->i_alloc_type);
 		return -1;
 	}
 
@@ -2289,13 +2289,13 @@ int8_t inode_bmap(struct inode *inode, sector_t block,
 	return etype;
 }
 
-long udf_block_map(struct inode *inode, sector_t block)
+udf_pblk_t udf_block_map(struct inode *inode, sector_t block)
 {
 	struct kernel_lb_addr eloc;
 	uint32_t elen;
 	sector_t offset;
 	struct extent_position epos = {};
-	int ret;
+	udf_pblk_t ret;
 
 	down_read(&UDF_I(inode)->i_data_sem);
 

fs/udf/misc.c

@@ -28,7 +28,7 @@
 #include "udf_i.h"
 #include "udf_sb.h"
 
-struct buffer_head *udf_tgetblk(struct super_block *sb, int block)
+struct buffer_head *udf_tgetblk(struct super_block *sb, udf_pblk_t block)
 {
 	if (UDF_QUERY_FLAG(sb, UDF_FLAG_VARCONV))
 		return sb_getblk(sb, udf_fixed_to_variable(block));
@@ -36,7 +36,7 @@ struct buffer_head *udf_tgetblk(struct super_block *sb, int block)
 		return sb_getblk(sb, block);
 }
 
-struct buffer_head *udf_tread(struct super_block *sb, int block)
+struct buffer_head *udf_tread(struct super_block *sb, udf_pblk_t block)
 {
 	if (UDF_QUERY_FLAG(sb, UDF_FLAG_VARCONV))
 		return sb_bread(sb, udf_fixed_to_variable(block));
@@ -209,7 +209,7 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
 
 	bh = udf_tread(sb, block);
 	if (!bh) {
-		udf_err(sb, "read failed, block=%u, location=%d\n",
+		udf_err(sb, "read failed, block=%u, location=%u\n",
 			block, location);
 		return NULL;
 	}
@@ -247,7 +247,7 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
 					le16_to_cpu(tag_p->descCRCLength)))
 		return bh;
 
-	udf_debug("Crc failure block %d: crc = %d, crclen = %d\n", block,
+	udf_debug("Crc failure block %u: crc = %u, crclen = %u\n", block,
 		  le16_to_cpu(tag_p->descCRC),
 		  le16_to_cpu(tag_p->descCRCLength));
 error_out:

fs/udf/namei.c

@@ -164,7 +164,8 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
 {
 	struct fileIdentDesc *fi = NULL;
 	loff_t f_pos;
-	int block, flen;
+	udf_pblk_t block;
+	int flen;
 	unsigned char *fname = NULL, *copy_name = NULL;
 	unsigned char *nameptr;
 	uint8_t lfi;
@@ -352,7 +353,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
 	int nfidlen;
 	uint8_t lfi;
 	uint16_t liu;
-	int block;
+	udf_pblk_t block;
 	struct kernel_lb_addr eloc;
 	uint32_t elen = 0;
 	sector_t offset;
@@ -749,7 +750,7 @@ static int empty_dir(struct inode *dir)
 	struct udf_fileident_bh fibh;
 	loff_t f_pos;
 	loff_t size = udf_ext0_offset(dir) + dir->i_size;
-	int block;
+	udf_pblk_t block;
 	struct kernel_lb_addr eloc;
 	uint32_t elen;
 	sector_t offset;
@@ -839,7 +840,7 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
 	if (retval)
 		goto end_rmdir;
 	if (inode->i_nlink != 2)
-		udf_warn(inode->i_sb, "empty directory has nlink != 2 (%d)\n",
+		udf_warn(inode->i_sb, "empty directory has nlink != 2 (%u)\n",
 			 inode->i_nlink);
 	clear_nlink(inode);
 	inode->i_size = 0;
@@ -881,7 +882,7 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry)
 		goto end_unlink;
 
 	if (!inode->i_nlink) {
-		udf_debug("Deleting nonexistent file (%lu), %d\n",
+		udf_debug("Deleting nonexistent file (%lu), %u\n",
 			  inode->i_ino, inode->i_nlink);
 		set_nlink(inode, 1);
 	}
@@ -913,7 +914,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
 	int eoffset, elen = 0;
 	uint8_t *ea;
 	int err;
-	int block;
+	udf_pblk_t block;
 	unsigned char *name = NULL;
 	int namelen;
 	struct udf_inode_info *iinfo;

fs/udf/partition.c

@@ -32,7 +32,7 @@ uint32_t udf_get_pblock(struct super_block *sb, uint32_t block,
 	struct udf_sb_info *sbi = UDF_SB(sb);
 	struct udf_part_map *map;
 	if (partition >= sbi->s_partitions) {
-		udf_debug("block=%d, partition=%d, offset=%d: invalid partition\n",
+		udf_debug("block=%u, partition=%u, offset=%u: invalid partition\n",
 			  block, partition, offset);
 		return 0xFFFFFFFF;
 	}
@@ -59,7 +59,7 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
 	vdata = &map->s_type_specific.s_virtual;
 
 	if (block > vdata->s_num_entries) {
-		udf_debug("Trying to access block beyond end of VAT (%d max %d)\n",
+		udf_debug("Trying to access block beyond end of VAT (%u max %u)\n",
 			  block, vdata->s_num_entries);
 		return 0xFFFFFFFF;
 	}
@@ -83,7 +83,7 @@ uint32_t udf_get_pblock_virt15(struct super_block *sb, uint32_t block,
 
 	bh = sb_bread(sb, loc);
 	if (!bh) {
-		udf_debug("get_pblock(UDF_VIRTUAL_MAP:%p,%d,%d) VAT: %d[%d]\n",
+		udf_debug("get_pblock(UDF_VIRTUAL_MAP:%p,%u,%u) VAT: %u[%u]\n",
 			  sb, block, partition, loc, index);
 		return 0xFFFFFFFF;
 	}

fs/udf/super.c

@@ -366,7 +366,7 @@ static int udf_show_options(struct seq_file *seq, struct dentry *root)
 	if (sbi->s_dmode != UDF_INVALID_MODE)
 		seq_printf(seq, ",dmode=%ho", sbi->s_dmode);
 	if (UDF_QUERY_FLAG(sb, UDF_FLAG_SESSION_SET))
-		seq_printf(seq, ",session=%u", sbi->s_session);
+		seq_printf(seq, ",session=%d", sbi->s_session);
 	if (UDF_QUERY_FLAG(sb, UDF_FLAG_LASTBLOCK_SET))
 		seq_printf(seq, ",lastblock=%u", sbi->s_last_block);
 	if (sbi->s_anchor != 0)
@@ -703,9 +703,9 @@ static loff_t udf_check_vsd(struct super_block *sb)
 	else
 		sectorsize = sb->s_blocksize;
 
-	sector += (sbi->s_session << sb->s_blocksize_bits);
+	sector += (((loff_t)sbi->s_session) << sb->s_blocksize_bits);
 
-	udf_debug("Starting at sector %u (%ld byte sectors)\n",
+	udf_debug("Starting at sector %u (%lu byte sectors)\n",
 		  (unsigned int)(sector >> sb->s_blocksize_bits),
 		  sb->s_blocksize);
 	/* Process the sequence (if applicable). The hard limit on the sector
@@ -868,7 +868,7 @@ static int udf_find_fileset(struct super_block *sb,
 
 	if ((fileset->logicalBlockNum != 0xFFFFFFFF ||
 	     fileset->partitionReferenceNum != 0xFFFF) && bh) {
-		udf_debug("Fileset at block=%d, partition=%d\n",
+		udf_debug("Fileset at block=%u, partition=%u\n",
 			  fileset->logicalBlockNum,
 			  fileset->partitionReferenceNum);
 
@@ -981,14 +981,14 @@ static int udf_load_metadata_files(struct super_block *sb, int partition,
 	mdata->s_phys_partition_ref = type1_index;
 
 	/* metadata address */
-	udf_debug("Metadata file location: block = %d part = %d\n",
+	udf_debug("Metadata file location: block = %u part = %u\n",
 		  mdata->s_meta_file_loc, mdata->s_phys_partition_ref);
 
 	fe = udf_find_metadata_inode_efe(sb, mdata->s_meta_file_loc,
 					 mdata->s_phys_partition_ref);
 	if (IS_ERR(fe)) {
 		/* mirror file entry */
-		udf_debug("Mirror metadata file location: block = %d part = %d\n",
+		udf_debug("Mirror metadata file location: block = %u part = %u\n",
 			  mdata->s_mirror_file_loc, mdata->s_phys_partition_ref);
 
 		fe = udf_find_metadata_inode_efe(sb, mdata->s_mirror_file_loc,
@@ -1012,7 +1012,7 @@ static int udf_load_metadata_files(struct super_block *sb, int partition,
 		addr.logicalBlockNum = mdata->s_bitmap_file_loc;
 		addr.partitionReferenceNum = mdata->s_phys_partition_ref;
 
-		udf_debug("Bitmap file location: block = %d part = %d\n",
+		udf_debug("Bitmap file location: block = %u part = %u\n",
 			  addr.logicalBlockNum, addr.partitionReferenceNum);
 
 		fe = udf_iget_special(sb, &addr);
@@ -1042,7 +1042,7 @@ static void udf_load_fileset(struct super_block *sb, struct buffer_head *bh,
 
 	UDF_SB(sb)->s_serial_number = le16_to_cpu(fset->descTag.tagSerialNum);
 
-	udf_debug("Rootdir at block=%d, partition=%d\n",
+	udf_debug("Rootdir at block=%u, partition=%u\n",
 		  root->logicalBlockNum, root->partitionReferenceNum);
 }
 
@@ -1097,7 +1097,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
 	if (p->accessType == cpu_to_le32(PD_ACCESS_TYPE_OVERWRITABLE))
 		map->s_partition_flags |= UDF_PART_FLAG_OVERWRITABLE;
 
-	udf_debug("Partition (%d type %x) starts at physical %d, block length %d\n",
+	udf_debug("Partition (%d type %x) starts at physical %u, block length %u\n",
 		  p_index, map->s_partition_type,
 		  map->s_partition_root, map->s_partition_len);
 
@@ -1122,7 +1122,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
 		}
 		map->s_uspace.s_table = inode;
 		map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_TABLE;
-		udf_debug("unallocSpaceTable (part %d) @ %ld\n",
+		udf_debug("unallocSpaceTable (part %d) @ %lu\n",
 			  p_index, map->s_uspace.s_table->i_ino);
 	}
 
@@ -1134,7 +1134,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
 		bitmap->s_extPosition = le32_to_cpu(
 				phd->unallocSpaceBitmap.extPosition);
 		map->s_partition_flags |= UDF_PART_FLAG_UNALLOC_BITMAP;
-		udf_debug("unallocSpaceBitmap (part %d) @ %d\n",
+		udf_debug("unallocSpaceBitmap (part %d) @ %u\n",
 			  p_index, bitmap->s_extPosition);
 	}
 
@@ -1157,7 +1157,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
 		}
 		map->s_fspace.s_table = inode;
 		map->s_partition_flags |= UDF_PART_FLAG_FREED_TABLE;
-		udf_debug("freedSpaceTable (part %d) @ %ld\n",
+		udf_debug("freedSpaceTable (part %d) @ %lu\n",
 			  p_index, map->s_fspace.s_table->i_ino);
 	}
 
@@ -1169,7 +1169,7 @@ static int udf_fill_partdesc_info(struct super_block *sb,
 		bitmap->s_extPosition = le32_to_cpu(
 				phd->freedSpaceBitmap.extPosition);
 		map->s_partition_flags |= UDF_PART_FLAG_FREED_BITMAP;
-		udf_debug("freedSpaceBitmap (part %d) @ %d\n",
+		udf_debug("freedSpaceBitmap (part %d) @ %u\n",
 			  p_index, bitmap->s_extPosition);
 	}
 	return 0;
@@ -1282,7 +1282,7 @@ static int udf_load_partdesc(struct super_block *sb, sector_t block)
 	/* First scan for TYPE1 and SPARABLE partitions */
 	for (i = 0; i < sbi->s_partitions; i++) {
 		map = &sbi->s_partmaps[i];
-		udf_debug("Searching map: (%d == %d)\n",
+		udf_debug("Searching map: (%u == %u)\n",
 			  map->s_partition_num, partitionNumber);
 		if (map->s_partition_num == partitionNumber &&
 		    (map->s_partition_type == UDF_TYPE1_MAP15 ||
@@ -1291,7 +1291,7 @@ static int udf_load_partdesc(struct super_block *sb, sector_t block)
 	}
 
 	if (i >= sbi->s_partitions) {
-		udf_debug("Partition (%d) not found in partition map\n",
+		udf_debug("Partition (%u) not found in partition map\n",
 			  partitionNumber);
 		ret = 0;
 		goto out_bh;
@@ -1483,7 +1483,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
 				struct metadataPartitionMap *mdm =
 						(struct metadataPartitionMap *)
 						&(lvd->partitionMaps[offset]);
-				udf_debug("Parsing Logical vol part %d type %d  id=%s\n",
+				udf_debug("Parsing Logical vol part %d type %u  id=%s\n",
 					  i, type, UDF_ID_METADATA);
 
 				map->s_partition_type = UDF_METADATA_MAP25;
@@ -1505,17 +1505,17 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
 				udf_debug("Metadata Ident suffix=0x%x\n",
 					  le16_to_cpu(*(__le16 *)
 						      mdm->partIdent.identSuffix));
-				udf_debug("Metadata part num=%d\n",
+				udf_debug("Metadata part num=%u\n",
 					  le16_to_cpu(mdm->partitionNum));
-				udf_debug("Metadata part alloc unit size=%d\n",
+				udf_debug("Metadata part alloc unit size=%u\n",
 					  le32_to_cpu(mdm->allocUnitSize));
-				udf_debug("Metadata file loc=%d\n",
+				udf_debug("Metadata file loc=%u\n",
 					  le32_to_cpu(mdm->metadataFileLoc));
-				udf_debug("Mirror file loc=%d\n",
+				udf_debug("Mirror file loc=%u\n",
 					  le32_to_cpu(mdm->metadataMirrorFileLoc));
-				udf_debug("Bitmap file loc=%d\n",
+				udf_debug("Bitmap file loc=%u\n",
 					  le32_to_cpu(mdm->metadataBitmapFileLoc));
-				udf_debug("Flags: %d %d\n",
+				udf_debug("Flags: %d %u\n",
 					  mdata->s_flags, mdm->flags);
 			} else {
 				udf_debug("Unknown ident: %s\n",
@@ -1525,7 +1525,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
 			map->s_volumeseqnum = le16_to_cpu(upm2->volSeqNum);
 			map->s_partition_num = le16_to_cpu(upm2->partitionNum);
 		}
-		udf_debug("Partition (%d:%d) type %d on volume %d\n",
+		udf_debug("Partition (%d:%u) type %u on volume %u\n",
 			  i, map->s_partition_num, type, map->s_volumeseqnum);
 	}
 
@@ -1533,7 +1533,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
 		struct long_ad *la = (struct long_ad *)&(lvd->logicalVolContentsUse[0]);
 
 		*fileset = lelb_to_cpu(la->extLocation);
-		udf_debug("FileSet found in LogicalVolDesc at block=%d, partition=%d\n",
+		udf_debug("FileSet found in LogicalVolDesc at block=%u, partition=%u\n",
 			  fileset->logicalBlockNum,
 			  fileset->partitionReferenceNum);
 	}
@@ -2159,7 +2159,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 			ret = udf_load_vrs(sb, &uopt, silent, &fileset);
 			if (ret < 0) {
 				if (!silent && ret != -EACCES) {
-					pr_notice("Scanning with blocksize %d failed\n",
+					pr_notice("Scanning with blocksize %u failed\n",
 						  uopt.blocksize);
 				}
 				brelse(sbi->s_lvid_bh);
@@ -2184,7 +2184,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 		goto error_out;
 	}
 
-	udf_debug("Lastblock=%d\n", sbi->s_last_block);
+	udf_debug("Lastblock=%u\n", sbi->s_last_block);
 
 	if (sbi->s_lvid_bh) {
 		struct logicalVolIntegrityDescImpUse *lvidiu =
@@ -2255,7 +2255,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 	/* perhaps it's not extensible enough, but for now ... */
 	inode = udf_iget(sb, &rootdir);
 	if (IS_ERR(inode)) {
-		udf_err(sb, "Error in udf_iget, block=%d, partition=%d\n",
+		udf_err(sb, "Error in udf_iget, block=%u, partition=%u\n",
 		       rootdir.logicalBlockNum, rootdir.partitionReferenceNum);
 		ret = PTR_ERR(inode);
 		goto error_out;
@@ -2389,7 +2389,7 @@ static unsigned int udf_count_free_bitmap(struct super_block *sb,
 	struct buffer_head *bh = NULL;
 	unsigned int accum = 0;
 	int index;
-	int block = 0, newblock;
+	udf_pblk_t block = 0, newblock;
 	struct kernel_lb_addr loc;
 	uint32_t bytes;
 	uint8_t *ptr;

fs/udf/truncate.c

@@ -48,7 +48,7 @@ static void extent_trunc(struct inode *inode, struct extent_position *epos,
 
 	if (elen != nelen) {
 		udf_write_aext(inode, epos, &neloc, nelen, 0);
-		if (last_block - first_block > 0) {
+		if (last_block > first_block) {
 			if (etype == (EXT_RECORDED_ALLOCATED >> 30))
 				mark_inode_dirty(inode);
 

fs/udf/udfdecl.h

@@ -73,6 +73,8 @@ static inline size_t udf_ext0_offset(struct inode *inode)
 /* computes tag checksum */
 u8 udf_tag_checksum(const struct tag *t);
 
+typedef uint32_t udf_pblk_t;
+
 struct dentry;
 struct inode;
 struct task_struct;
@@ -144,15 +146,17 @@ static inline struct inode *udf_iget(struct super_block *sb,
 	return __udf_iget(sb, ino, false);
 }
 extern int udf_expand_file_adinicb(struct inode *);
-extern struct buffer_head *udf_expand_dir_adinicb(struct inode *, int *, int *);
-extern struct buffer_head *udf_bread(struct inode *, int, int, int *);
+extern struct buffer_head *udf_expand_dir_adinicb(struct inode *inode,
+						  udf_pblk_t *block, int *err);
+extern struct buffer_head *udf_bread(struct inode *inode, udf_pblk_t block,
+				      int create, int *err);
 extern int udf_setsize(struct inode *, loff_t);
 extern void udf_evict_inode(struct inode *);
 extern int udf_write_inode(struct inode *, struct writeback_control *wbc);
-extern long udf_block_map(struct inode *, sector_t);
+extern udf_pblk_t udf_block_map(struct inode *inode, sector_t block);
 extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
 			 struct kernel_lb_addr *, uint32_t *, sector_t *);
-extern int udf_setup_indirect_aext(struct inode *inode, int block,
+extern int udf_setup_indirect_aext(struct inode *inode, udf_pblk_t block,
 				   struct extent_position *epos);
 extern int __udf_add_aext(struct inode *inode, struct extent_position *epos,
 			  struct kernel_lb_addr *eloc, uint32_t elen, int inc);
@@ -168,8 +172,9 @@ extern int8_t udf_current_aext(struct inode *, struct extent_position *,
 			       struct kernel_lb_addr *, uint32_t *, int);
 
 /* misc.c */
-extern struct buffer_head *udf_tgetblk(struct super_block *, int);
-extern struct buffer_head *udf_tread(struct super_block *, int);
+extern struct buffer_head *udf_tgetblk(struct super_block *sb,
+					udf_pblk_t block);
+extern struct buffer_head *udf_tread(struct super_block *sb, udf_pblk_t block);
 extern struct genericFormat *udf_add_extendedattr(struct inode *, uint32_t,
 						  uint32_t, uint8_t);
 extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t,
@@ -228,8 +233,8 @@ extern void udf_free_blocks(struct super_block *, struct inode *,
 			    struct kernel_lb_addr *, uint32_t, uint32_t);
 extern int udf_prealloc_blocks(struct super_block *, struct inode *, uint16_t,
 			       uint32_t, uint32_t);
-extern int udf_new_block(struct super_block *, struct inode *, uint16_t,
-			 uint32_t, int *);
+extern udf_pblk_t udf_new_block(struct super_block *sb, struct inode *inode,
+				 uint16_t partition, uint32_t goal, int *err);
 
 /* directory.c */
 extern struct fileIdentDesc *udf_fileident_read(struct inode *, loff_t *,

fs/udf/unicode.c

@@ -200,7 +200,7 @@ static int udf_name_from_CS0(uint8_t *str_o, int str_max_len,
 	cmp_id = ocu[0];
 	if (cmp_id != 8 && cmp_id != 16) {
 		memset(str_o, 0, str_max_len);
-		pr_err("unknown compression code (%d)\n", cmp_id);
+		pr_err("unknown compression code (%u)\n", cmp_id);
 		return -EINVAL;
 	}
 	u_ch = cmp_id >> 3;

include/linux/audit.h

@@ -356,6 +356,7 @@ extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm,
 extern void __audit_log_capset(const struct cred *new, const struct cred *old);
 extern void __audit_mmap_fd(int fd, int flags);
 extern void __audit_log_kern_module(char *name);
+extern void __audit_fanotify(unsigned int response);
 
 static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
 {
@@ -452,6 +453,12 @@ static inline void audit_log_kern_module(char *name)
 		__audit_log_kern_module(name);
 }
 
+static inline void audit_fanotify(unsigned int response)
+{
+	if (!audit_dummy_context())
+		__audit_fanotify(response);
+}
+
 extern int audit_n_rules;
 extern int audit_signals;
 #else /* CONFIG_AUDITSYSCALL */
@@ -568,6 +575,9 @@ static inline void audit_log_kern_module(char *name)
 {
 }
 
+static inline void audit_fanotify(unsigned int response)
+{ }
+
 static inline void audit_ptrace(struct task_struct *t)
 { }
 #define audit_n_rules 0

include/linux/fsnotify_backend.h

@@ -190,6 +190,7 @@ struct fsnotify_group {
 			int f_flags;
 			unsigned int max_marks;
 			struct user_struct *user;
+			bool audit;
 		} fanotify_data;
 #endif /* CONFIG_FANOTIFY */
 	};

include/uapi/linux/audit.h

@@ -112,6 +112,7 @@
 #define AUDIT_FEATURE_CHANGE	1328	/* audit log listing feature changes */
 #define AUDIT_REPLACE		1329	/* Replace auditd if this packet unanswerd */
 #define AUDIT_KERN_MODULE	1330	/* Kernel Module events */
+#define AUDIT_FANOTIFY		1331	/* Fanotify access decision */
 
 #define AUDIT_AVC		1400	/* SE Linux avc denial or grant */
 #define AUDIT_SELINUX_ERR	1401	/* Internal SE Linux Errors */

include/uapi/linux/fanotify.h

@@ -35,6 +35,7 @@
 
 #define FAN_UNLIMITED_QUEUE	0x00000010
 #define FAN_UNLIMITED_MARKS	0x00000020
+#define FAN_ENABLE_AUDIT	0x00000040
 
 #define FAN_ALL_INIT_FLAGS	(FAN_CLOEXEC | FAN_NONBLOCK | \
 				 FAN_ALL_CLASS_BITS | FAN_UNLIMITED_QUEUE |\
@@ -99,6 +100,8 @@ struct fanotify_response {
 /* Legit userspace responses to a _PERM event */
 #define FAN_ALLOW	0x01
 #define FAN_DENY	0x02
+#define FAN_AUDIT	0x10	/* Bit mask to create audit record for result */
+
 /* No fd set in event */
 #define FAN_NOFD	-1
 

include/uapi/linux/iso_fs.h

@@ -12,10 +12,10 @@
 #define ISODCL(from, to) (to - from + 1)
 
 struct iso_volume_descriptor {
-	char type[ISODCL(1,1)]; /* 711 */
+	__u8 type[ISODCL(1,1)]; /* 711 */
 	char id[ISODCL(2,6)];
-	char version[ISODCL(7,7)];
-	char data[ISODCL(8,2048)];
+	__u8 version[ISODCL(7,7)];
+	__u8 data[ISODCL(8,2048)];
 };
 
 /* volume descriptor types */
@@ -26,24 +26,24 @@ struct iso_volume_descriptor {
 #define ISO_STANDARD_ID "CD001"
 
 struct iso_primary_descriptor {
-	char type			[ISODCL (  1,   1)]; /* 711 */
+	__u8 type			[ISODCL (  1,   1)]; /* 711 */
 	char id				[ISODCL (  2,   6)];
-	char version			[ISODCL (  7,   7)]; /* 711 */
-	char unused1			[ISODCL (  8,   8)];
+	__u8 version			[ISODCL (  7,   7)]; /* 711 */
+	__u8 unused1			[ISODCL (  8,   8)];
 	char system_id			[ISODCL (  9,  40)]; /* achars */
 	char volume_id			[ISODCL ( 41,  72)]; /* dchars */
-	char unused2			[ISODCL ( 73,  80)];
-	char volume_space_size		[ISODCL ( 81,  88)]; /* 733 */
-	char unused3			[ISODCL ( 89, 120)];
-	char volume_set_size		[ISODCL (121, 124)]; /* 723 */
-	char volume_sequence_number	[ISODCL (125, 128)]; /* 723 */
-	char logical_block_size		[ISODCL (129, 132)]; /* 723 */
-	char path_table_size		[ISODCL (133, 140)]; /* 733 */
-	char type_l_path_table		[ISODCL (141, 144)]; /* 731 */
-	char opt_type_l_path_table	[ISODCL (145, 148)]; /* 731 */
-	char type_m_path_table		[ISODCL (149, 152)]; /* 732 */
-	char opt_type_m_path_table	[ISODCL (153, 156)]; /* 732 */
-	char root_directory_record	[ISODCL (157, 190)]; /* 9.1 */
+	__u8 unused2			[ISODCL ( 73,  80)];
+	__u8 volume_space_size		[ISODCL ( 81,  88)]; /* 733 */
+	__u8 unused3			[ISODCL ( 89, 120)];
+	__u8 volume_set_size		[ISODCL (121, 124)]; /* 723 */
+	__u8 volume_sequence_number	[ISODCL (125, 128)]; /* 723 */
+	__u8 logical_block_size		[ISODCL (129, 132)]; /* 723 */
+	__u8 path_table_size		[ISODCL (133, 140)]; /* 733 */
+	__u8 type_l_path_table		[ISODCL (141, 144)]; /* 731 */
+	__u8 opt_type_l_path_table	[ISODCL (145, 148)]; /* 731 */
+	__u8 type_m_path_table		[ISODCL (149, 152)]; /* 732 */
+	__u8 opt_type_m_path_table	[ISODCL (153, 156)]; /* 732 */
+	__u8 root_directory_record	[ISODCL (157, 190)]; /* 9.1 */
 	char volume_set_id		[ISODCL (191, 318)]; /* dchars */
 	char publisher_id		[ISODCL (319, 446)]; /* achars */
 	char preparer_id		[ISODCL (447, 574)]; /* achars */
@@ -51,36 +51,36 @@ struct iso_primary_descriptor {
 	char copyright_file_id		[ISODCL (703, 739)]; /* 7.5 dchars */
 	char abstract_file_id		[ISODCL (740, 776)]; /* 7.5 dchars */
 	char bibliographic_file_id	[ISODCL (777, 813)]; /* 7.5 dchars */
-	char creation_date		[ISODCL (814, 830)]; /* 8.4.26.1 */
-	char modification_date		[ISODCL (831, 847)]; /* 8.4.26.1 */
-	char expiration_date		[ISODCL (848, 864)]; /* 8.4.26.1 */
-	char effective_date		[ISODCL (865, 881)]; /* 8.4.26.1 */
-	char file_structure_version	[ISODCL (882, 882)]; /* 711 */
-	char unused4			[ISODCL (883, 883)];
-	char application_data		[ISODCL (884, 1395)];
-	char unused5			[ISODCL (1396, 2048)];
+	__u8 creation_date		[ISODCL (814, 830)]; /* 8.4.26.1 */
+	__u8 modification_date		[ISODCL (831, 847)]; /* 8.4.26.1 */
+	__u8 expiration_date		[ISODCL (848, 864)]; /* 8.4.26.1 */
+	__u8 effective_date		[ISODCL (865, 881)]; /* 8.4.26.1 */
+	__u8 file_structure_version	[ISODCL (882, 882)]; /* 711 */
+	__u8 unused4			[ISODCL (883, 883)];
+	__u8 application_data		[ISODCL (884, 1395)];
+	__u8 unused5			[ISODCL (1396, 2048)];
 };
 
 /* Almost the same as the primary descriptor but two fields are specified */
 struct iso_supplementary_descriptor {
-	char type			[ISODCL (  1,   1)]; /* 711 */
+	__u8 type			[ISODCL (  1,   1)]; /* 711 */
 	char id				[ISODCL (  2,   6)];
-	char version			[ISODCL (  7,   7)]; /* 711 */
-	char flags			[ISODCL (  8,   8)]; /* 853 */
+	__u8 version			[ISODCL (  7,   7)]; /* 711 */
+	__u8 flags			[ISODCL (  8,   8)]; /* 853 */
 	char system_id			[ISODCL (  9,  40)]; /* achars */
 	char volume_id			[ISODCL ( 41,  72)]; /* dchars */
-	char unused2			[ISODCL ( 73,  80)];
-	char volume_space_size		[ISODCL ( 81,  88)]; /* 733 */
-	char escape			[ISODCL ( 89, 120)]; /* 856 */
-	char volume_set_size		[ISODCL (121, 124)]; /* 723 */
-	char volume_sequence_number	[ISODCL (125, 128)]; /* 723 */
-	char logical_block_size		[ISODCL (129, 132)]; /* 723 */
-	char path_table_size		[ISODCL (133, 140)]; /* 733 */
-	char type_l_path_table		[ISODCL (141, 144)]; /* 731 */
-	char opt_type_l_path_table	[ISODCL (145, 148)]; /* 731 */
-	char type_m_path_table		[ISODCL (149, 152)]; /* 732 */
-	char opt_type_m_path_table	[ISODCL (153, 156)]; /* 732 */
-	char root_directory_record	[ISODCL (157, 190)]; /* 9.1 */
+	__u8 unused2			[ISODCL ( 73,  80)];
+	__u8 volume_space_size		[ISODCL ( 81,  88)]; /* 733 */
+	__u8 escape			[ISODCL ( 89, 120)]; /* 856 */
+	__u8 volume_set_size		[ISODCL (121, 124)]; /* 723 */
+	__u8 volume_sequence_number	[ISODCL (125, 128)]; /* 723 */
+	__u8 logical_block_size		[ISODCL (129, 132)]; /* 723 */
+	__u8 path_table_size		[ISODCL (133, 140)]; /* 733 */
+	__u8 type_l_path_table		[ISODCL (141, 144)]; /* 731 */
+	__u8 opt_type_l_path_table	[ISODCL (145, 148)]; /* 731 */
+	__u8 type_m_path_table		[ISODCL (149, 152)]; /* 732 */
+	__u8 opt_type_m_path_table	[ISODCL (153, 156)]; /* 732 */
+	__u8 root_directory_record	[ISODCL (157, 190)]; /* 9.1 */
 	char volume_set_id		[ISODCL (191, 318)]; /* dchars */
 	char publisher_id		[ISODCL (319, 446)]; /* achars */
 	char preparer_id		[ISODCL (447, 574)]; /* achars */
@@ -88,54 +88,54 @@ struct iso_supplementary_descriptor {
 	char copyright_file_id		[ISODCL (703, 739)]; /* 7.5 dchars */
 	char abstract_file_id		[ISODCL (740, 776)]; /* 7.5 dchars */
 	char bibliographic_file_id	[ISODCL (777, 813)]; /* 7.5 dchars */
-	char creation_date		[ISODCL (814, 830)]; /* 8.4.26.1 */
-	char modification_date		[ISODCL (831, 847)]; /* 8.4.26.1 */
-	char expiration_date		[ISODCL (848, 864)]; /* 8.4.26.1 */
-	char effective_date		[ISODCL (865, 881)]; /* 8.4.26.1 */
-	char file_structure_version	[ISODCL (882, 882)]; /* 711 */
-	char unused4			[ISODCL (883, 883)];
-	char application_data		[ISODCL (884, 1395)];
-	char unused5			[ISODCL (1396, 2048)];
+	__u8 creation_date		[ISODCL (814, 830)]; /* 8.4.26.1 */
+	__u8 modification_date		[ISODCL (831, 847)]; /* 8.4.26.1 */
+	__u8 expiration_date		[ISODCL (848, 864)]; /* 8.4.26.1 */
+	__u8 effective_date		[ISODCL (865, 881)]; /* 8.4.26.1 */
+	__u8 file_structure_version	[ISODCL (882, 882)]; /* 711 */
+	__u8 unused4			[ISODCL (883, 883)];
+	__u8 application_data		[ISODCL (884, 1395)];
+	__u8 unused5			[ISODCL (1396, 2048)];
 };
 
 
 #define HS_STANDARD_ID "CDROM"
 
 struct  hs_volume_descriptor {
-	char foo			[ISODCL (  1,   8)]; /* 733 */
-	char type			[ISODCL (  9,   9)]; /* 711 */
+	__u8 foo			[ISODCL (  1,   8)]; /* 733 */
+	__u8 type			[ISODCL (  9,   9)]; /* 711 */
 	char id				[ISODCL ( 10,  14)];
-	char version			[ISODCL ( 15,  15)]; /* 711 */
-	char data[ISODCL(16,2048)];
+	__u8 version			[ISODCL ( 15,  15)]; /* 711 */
+	__u8 data[ISODCL(16,2048)];
 };
 
 
 struct hs_primary_descriptor {
-	char foo			[ISODCL (  1,   8)]; /* 733 */
-	char type			[ISODCL (  9,   9)]; /* 711 */
-	char id				[ISODCL ( 10,  14)];
-	char version			[ISODCL ( 15,  15)]; /* 711 */
-	char unused1			[ISODCL ( 16,  16)]; /* 711 */
+	__u8 foo			[ISODCL (  1,   8)]; /* 733 */
+	__u8 type			[ISODCL (  9,   9)]; /* 711 */
+	__u8 id				[ISODCL ( 10,  14)];
+	__u8 version			[ISODCL ( 15,  15)]; /* 711 */
+	__u8 unused1			[ISODCL ( 16,  16)]; /* 711 */
 	char system_id			[ISODCL ( 17,  48)]; /* achars */
 	char volume_id			[ISODCL ( 49,  80)]; /* dchars */
-	char unused2			[ISODCL ( 81,  88)]; /* 733 */
-	char volume_space_size		[ISODCL ( 89,  96)]; /* 733 */
-	char unused3			[ISODCL ( 97, 128)]; /* 733 */
-	char volume_set_size		[ISODCL (129, 132)]; /* 723 */
-	char volume_sequence_number	[ISODCL (133, 136)]; /* 723 */
-	char logical_block_size		[ISODCL (137, 140)]; /* 723 */
-	char path_table_size		[ISODCL (141, 148)]; /* 733 */
-	char type_l_path_table		[ISODCL (149, 152)]; /* 731 */
-	char unused4			[ISODCL (153, 180)]; /* 733 */
-	char root_directory_record	[ISODCL (181, 214)]; /* 9.1 */
+	__u8 unused2			[ISODCL ( 81,  88)]; /* 733 */
+	__u8 volume_space_size		[ISODCL ( 89,  96)]; /* 733 */
+	__u8 unused3			[ISODCL ( 97, 128)]; /* 733 */
+	__u8 volume_set_size		[ISODCL (129, 132)]; /* 723 */
+	__u8 volume_sequence_number	[ISODCL (133, 136)]; /* 723 */
+	__u8 logical_block_size		[ISODCL (137, 140)]; /* 723 */
+	__u8 path_table_size		[ISODCL (141, 148)]; /* 733 */
+	__u8 type_l_path_table		[ISODCL (149, 152)]; /* 731 */
+	__u8 unused4			[ISODCL (153, 180)]; /* 733 */
+	__u8 root_directory_record	[ISODCL (181, 214)]; /* 9.1 */
 };
 
 /* We use this to help us look up the parent inode numbers. */
 
 struct iso_path_table{
-	unsigned char  name_len[2];	/* 721 */
-	char extent[4];		/* 731 */
-	char  parent[2];	/* 721 */
+	__u8  name_len[2];	/* 721 */
+	__u8  extent[4];	/* 731 */
+	__u8  parent[2];	/* 721 */
 	char name[0];
 } __attribute__((packed));
 
@@ -143,16 +143,16 @@ struct iso_path_table{
    there is an extra reserved byte after the flags */
 
 struct iso_directory_record {
-	char length			[ISODCL (1, 1)]; /* 711 */
-	char ext_attr_length		[ISODCL (2, 2)]; /* 711 */
-	char extent			[ISODCL (3, 10)]; /* 733 */
-	char size			[ISODCL (11, 18)]; /* 733 */
-	char date			[ISODCL (19, 25)]; /* 7 by 711 */
-	char flags			[ISODCL (26, 26)];
-	char file_unit_size		[ISODCL (27, 27)]; /* 711 */
-	char interleave			[ISODCL (28, 28)]; /* 711 */
-	char volume_sequence_number	[ISODCL (29, 32)]; /* 723 */
-	unsigned char name_len		[ISODCL (33, 33)]; /* 711 */
+	__u8 length			[ISODCL (1, 1)]; /* 711 */
+	__u8 ext_attr_length		[ISODCL (2, 2)]; /* 711 */
+	__u8 extent			[ISODCL (3, 10)]; /* 733 */
+	__u8 size			[ISODCL (11, 18)]; /* 733 */
+	__u8 date			[ISODCL (19, 25)]; /* 7 by 711 */
+	__u8 flags			[ISODCL (26, 26)];
+	__u8 file_unit_size		[ISODCL (27, 27)]; /* 711 */
+	__u8 interleave			[ISODCL (28, 28)]; /* 711 */
+	__u8 volume_sequence_number	[ISODCL (29, 32)]; /* 723 */
+	__u8 name_len			[ISODCL (33, 33)]; /* 711 */
 	char name			[0];
 } __attribute__((packed));
 

kernel/auditsc.c

@@ -2390,6 +2390,12 @@ void __audit_log_kern_module(char *name)
 	context->type = AUDIT_KERN_MODULE;
 }
 
+void __audit_fanotify(unsigned int response)
+{
+	audit_log(current->audit_context, GFP_KERNEL,
+		AUDIT_FANOTIFY,	"resp=%u", response);
+}
+
 static void audit_log_task(struct audit_buffer *ab)
 {
 	kuid_t auid, uid;