Commit fc626fe3 authored by Ira Weiny's avatar Ira Weiny Committed by Theodore Ts'o

fs/ext4: Change EXT4_MOUNT_DAX to EXT4_MOUNT_DAX_ALWAYS

In prep for the new tri-state mount option which then introduces
EXT4_MOUNT_DAX_NEVER.
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Signed-off-by: default avatarIra Weiny <ira.weiny@intel.com>

Link: https://lore.kernel.org/r/20200528150003.828793-4-ira.weiny@intel.comSigned-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
parent 6c0d077f
......@@ -1123,9 +1123,9 @@ struct ext4_inode_info {
#define EXT4_MOUNT_MINIX_DF 0x00080 /* Mimics the Minix statfs */
#define EXT4_MOUNT_NOLOAD 0x00100 /* Don't use existing journal*/
#ifdef CONFIG_FS_DAX
#define EXT4_MOUNT_DAX 0x00200 /* Direct Access */
#define EXT4_MOUNT_DAX_ALWAYS 0x00200 /* Direct Access */
#else
#define EXT4_MOUNT_DAX 0
#define EXT4_MOUNT_DAX_ALWAYS 0
#endif
#define EXT4_MOUNT_DATA_FLAGS 0x00C00 /* Mode for data writes: */
#define EXT4_MOUNT_JOURNAL_DATA 0x00400 /* Write data to journal */
......
......@@ -4400,7 +4400,7 @@ int ext4_get_inode_loc(struct inode *inode, struct ext4_iloc *iloc)
static bool ext4_should_use_dax(struct inode *inode)
{
if (!test_opt(inode->i_sb, DAX))
if (!test_opt(inode->i_sb, DAX_ALWAYS))
return false;
if (!S_ISREG(inode->i_mode))
return false;
......
......@@ -1775,7 +1775,7 @@ static const struct mount_opts {
{Opt_min_batch_time, 0, MOPT_GTE0},
{Opt_inode_readahead_blks, 0, MOPT_GTE0},
{Opt_init_itable, 0, MOPT_GTE0},
{Opt_dax, EXT4_MOUNT_DAX, MOPT_SET},
{Opt_dax, EXT4_MOUNT_DAX_ALWAYS, MOPT_SET},
{Opt_stripe, 0, MOPT_GTE0},
{Opt_resuid, 0, MOPT_GTE0},
{Opt_resgid, 0, MOPT_GTE0},
......@@ -3982,7 +3982,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
"both data=journal and dioread_nolock");
goto failed_mount;
}
if (test_opt(sb, DAX)) {
if (test_opt(sb, DAX_ALWAYS)) {
ext4_msg(sb, KERN_ERR, "can't mount with "
"both data=journal and dax");
goto failed_mount;
......@@ -4092,7 +4092,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
goto failed_mount;
}
if (sbi->s_mount_opt & EXT4_MOUNT_DAX) {
if (sbi->s_mount_opt & EXT4_MOUNT_DAX_ALWAYS) {
if (ext4_has_feature_inline_data(sb)) {
ext4_msg(sb, KERN_ERR, "Cannot use DAX on a filesystem"
" that may contain inline data");
......@@ -5412,7 +5412,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
err = -EINVAL;
goto restore_opts;
}
if (test_opt(sb, DAX)) {
if (test_opt(sb, DAX_ALWAYS)) {
ext4_msg(sb, KERN_ERR, "can't mount with "
"both data=journal and dax");
err = -EINVAL;
......@@ -5433,10 +5433,10 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
goto restore_opts;
}
if ((sbi->s_mount_opt ^ old_opts.s_mount_opt) & EXT4_MOUNT_DAX) {
if ((sbi->s_mount_opt ^ old_opts.s_mount_opt) & EXT4_MOUNT_DAX_ALWAYS) {
ext4_msg(sb, KERN_WARNING, "warning: refusing change of "
"dax flag with busy inodes while remounting");
sbi->s_mount_opt ^= EXT4_MOUNT_DAX;
sbi->s_mount_opt ^= EXT4_MOUNT_DAX_ALWAYS;
}
if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED)
......
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