Commit e65187e6 authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Theodore Ts'o

ext4: Enable extent format for symlinks.

This patch enables extent-formatted normal symlinks.  Using extents
format allows a symlink to refer to a block number larger than 2^32
on large filesystems.  We still don't enable extent format for fast
symlinks, which are contained in the inode itself.
Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatarMingming Cao <cmm@us.ibm.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent 95c3889c
......@@ -750,8 +750,8 @@ struct inode *ext4_new_inode(handle_t *handle, struct inode * dir, int mode)
goto fail_free_drop;
}
if (test_opt(sb, EXTENTS)) {
/* set extent flag only for directory and file */
if (S_ISDIR(mode) || S_ISREG(mode)) {
/* set extent flag only for diretory, file and normal symlink*/
if (S_ISDIR(mode) || S_ISREG(mode) || S_ISLNK(mode)) {
EXT4_I(inode)->i_flags |= EXT4_EXTENTS_FL;
ext4_ext_tree_init(handle, inode);
err = ext4_update_incompat_feature(handle, sb,
......
......@@ -2217,6 +2217,8 @@ static int ext4_symlink (struct inode * dir,
goto out_stop;
}
} else {
/* clear the extent format for fast symlink */
EXT4_I(inode)->i_flags &= ~EXT4_EXTENTS_FL;
inode->i_op = &ext4_fast_symlink_inode_operations;
memcpy((char*)&EXT4_I(inode)->i_data,symname,l);
inode->i_size = l-1;
......
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