UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

fuse fixes for 6.1-rc8 

-----BEGIN PGP SIGNATURE-----
 
 iHUEABYKAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCY4SQxQAKCRDh3BK/laaZ
 PAWSAP9WHL4ejQtVu2NMaEhZyIxs3weXLrFMPcQqOJ5JZhrgGAD/d6JufR/4jKWK
 Sf/VLPsDlXsvPyCMJOSZAsQ5Bt1reA4=
 =57DJ
 -----END PGP SIGNATURE-----

Merge tag 'fuse-fixes-6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse

Pull fuse fix from Miklos Szeredi:
 "Fix a regression introduced in -rc4"

* tag 'fuse-fixes-6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: lock inode unconditionally in fuse_fallocate()
This commit is contained in:
Linus Torvalds 2022-11-28 13:08:46 -08:00
parent b7b275e60b 44361e8cf9
commit f35badccdd
1 changed files with 16 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
fs/fuse/file.c
View File

@ -2963,11 +2963,9 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
.mode = mode
};
int err;
bool lock_inode = !(mode & FALLOC_FL_KEEP_SIZE) ||
(mode & (FALLOC_FL_PUNCH_HOLE |
FALLOC_FL_ZERO_RANGE));
bool block_faults = FUSE_IS_DAX(inode) && lock_inode;
bool block_faults = FUSE_IS_DAX(inode) &&
(!(mode & FALLOC_FL_KEEP_SIZE) ||
(mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_ZERO_RANGE)));
if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE |
FALLOC_FL_ZERO_RANGE))
@ -2976,7 +2974,6 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
if (fm->fc->no_fallocate)
return -EOPNOTSUPP;
if (lock_inode) {
inode_lock(inode);
if (block_faults) {
filemap_invalidate_lock(inode->i_mapping);
@ -2992,7 +2989,6 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
if (err)
goto out;
}
}
if (!(mode & FALLOC_FL_KEEP_SIZE) &&
offset + length > i_size_read(inode)) {
@ -3039,7 +3035,6 @@ out:
if (block_faults)
filemap_invalidate_unlock(inode->i_mapping);
if (lock_inode)
inode_unlock(inode);
fuse_flush_time_update(inode);