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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-11-02 00:48:48 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-11-02 00:48:48 +0300 |
| commit | 7260935d71b6d582376543844185add72848dde8 (patch) | |
| tree | 611e2e57a36e2d65d27fc734abb64ea04d6a3ceb /fs/overlayfs/overlayfs.h | |
| parent | 34c7685a177a7bc98066f7e5daa42eef621d0bdb (diff) | |
| parent | d47748e5ae5af6572e520cc9767bbe70c22ea498 (diff) | |
| download | linux-7260935d71b6d582376543844185add72848dde8.tar.xz | |
Merge tag 'ovl-update-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs updates from Miklos Szeredi:
"A mix of fixes and cleanups"
* tag 'ovl-update-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: automatically enable redirect_dir on metacopy=on
ovl: check whiteout in ovl_create_over_whiteout()
ovl: using posix_acl_xattr_size() to get size instead of posix_acl_to_xattr()
ovl: abstract ovl_inode lock with a helper
ovl: remove the 'locked' argument of ovl_nlink_{start,end}
ovl: relax requirement for non null uuid of lower fs
ovl: fold copy-up helpers into callers
ovl: untangle copy up call chain
ovl: relax permission checking on underlying layers
ovl: fix recursive oi->lock in ovl_link()
vfs: fix FIGETBSZ ioctl on an overlayfs file
ovl: clean up error handling in ovl_get_tmpfile()
ovl: fix error handling in ovl_verify_set_fh()
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index a3c0d9584312..5e45cb3630a0 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -271,8 +271,8 @@ bool ovl_test_flag(unsigned long flag, struct inode *inode); bool ovl_inuse_trylock(struct dentry *dentry); void ovl_inuse_unlock(struct dentry *dentry); bool ovl_need_index(struct dentry *dentry); -int ovl_nlink_start(struct dentry *dentry, bool *locked); -void ovl_nlink_end(struct dentry *dentry, bool locked); +int ovl_nlink_start(struct dentry *dentry); +void ovl_nlink_end(struct dentry *dentry); int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *upperdir); int ovl_check_metacopy_xattr(struct dentry *dentry); bool ovl_is_metacopy_dentry(struct dentry *dentry); @@ -290,6 +290,16 @@ static inline unsigned int ovl_xino_bits(struct super_block *sb) return ofs->xino_bits; } +static inline int ovl_inode_lock(struct inode *inode) +{ + return mutex_lock_interruptible(&OVL_I(inode)->lock); +} + +static inline void ovl_inode_unlock(struct inode *inode) +{ + mutex_unlock(&OVL_I(inode)->lock); +} + /* namei.c */ int ovl_check_fh_len(struct ovl_fh *fh, int fh_len); |