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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-06 17:13:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-06 17:13:18 -0700 |
| commit | 7a3353c5c441175582cf0d17f855b2ffd83fb9db (patch) | |
| tree | e19ee5ba7a4062636ac765c97dbe7ba15daf1ca9 /fs/internal.h | |
| parent | Merge tag 'pull-d_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs (diff) | |
| parent | dma_buf_getfile(): don't bother with ->f_flags reassignments (diff) | |
| download | wireguard-linux-7a3353c5c441175582cf0d17f855b2ffd83fb9db.tar.xz wireguard-linux-7a3353c5c441175582cf0d17f855b2ffd83fb9db.zip | |
Merge tag 'pull-file' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs file updates from Al Viro:
"struct file-related stuff"
* tag 'pull-file' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
dma_buf_getfile(): don't bother with ->f_flags reassignments
Change calling conventions for filldir_t
locks: fix TOCTOU race when granting write lease
Diffstat (limited to 'fs/internal.h')
| -rw-r--r-- | fs/internal.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/internal.h b/fs/internal.h index 3e206d3e317c..4372d67a3753 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -102,6 +102,16 @@ extern void chroot_fs_refs(const struct path *, const struct path *); extern struct file *alloc_empty_file(int, const struct cred *); extern struct file *alloc_empty_file_noaccount(int, const struct cred *); +static inline void put_file_access(struct file *file) +{ + if ((file->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ) { + i_readcount_dec(file->f_inode); + } else if (file->f_mode & FMODE_WRITER) { + put_write_access(file->f_inode); + __mnt_drop_write(file->f_path.mnt); + } +} + /* * super.c */ |