BACKPORT: f2fs: do not set compression bit if kernel doesn't support
If kernel doesn't have CONFIG_F2FS_FS_COMPRESSION, a file having FS_COMPR_FL via ioctl(FS_IOC_SETFLAGS) is unaccessible due to f2fs_is_compress_backend_ready(). Let's avoid it. Bug: 240921972 Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> (cherry picked from commit d5a44717f6e0f0943808671e36b1909619707016) Change-Id: Ieb0f8945175ea5ccb0060690e882f054360fb8f0
This commit is contained in:
parent
17bdd623f3
commit
26eb689452
@ -3932,8 +3932,9 @@ static inline int f2fs_init_compress_mempool(void) { return 0; }
|
||||
static inline void f2fs_destroy_compress_mempool(void) { }
|
||||
#endif
|
||||
|
||||
static inline void set_compress_context(struct inode *inode)
|
||||
static inline int set_compress_context(struct inode *inode)
|
||||
{
|
||||
#ifdef CONFIG_F2FS_FS_COMPRESSION
|
||||
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
|
||||
|
||||
F2FS_I(inode)->i_compress_algorithm =
|
||||
@ -3946,6 +3947,10 @@ static inline void set_compress_context(struct inode *inode)
|
||||
set_inode_flag(inode, FI_COMPRESSED_FILE);
|
||||
stat_inc_compr_inode(inode);
|
||||
f2fs_mark_inode_dirty_sync(inode, true);
|
||||
return 0;
|
||||
#else
|
||||
return -EOPNOTSUPP;
|
||||
#endif
|
||||
}
|
||||
|
||||
static inline u32 f2fs_disable_compressed_file(struct inode *inode)
|
||||
|
@ -1847,8 +1847,8 @@ static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
|
||||
if (iflags & F2FS_COMPR_FL) {
|
||||
if (!f2fs_may_compress(inode))
|
||||
return -EINVAL;
|
||||
|
||||
set_compress_context(inode);
|
||||
if (set_compress_context(inode))
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
}
|
||||
if ((iflags ^ masked_flags) & F2FS_NOCOMP_FL) {
|
||||
|
Loading…
Reference in New Issue
Block a user