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| author | Amir Goldstein <amir73il@gmail.com> | 2017-09-26 06:55:26 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2018-01-24 11:25:54 +0100 |
| commit | 24b33ee104ecd5a4e1e71412f8966199d6a0bf02 (patch) | |
| tree | 05d5e761abe8c637a4e93e5d1700c3e863757d52 /fs/overlayfs/overlayfs.h | |
| parent | ovl: cleanup temp index entries (diff) | |
| download | linux-24b33ee104ecd5a4e1e71412f8966199d6a0bf02.tar.xz linux-24b33ee104ecd5a4e1e71412f8966199d6a0bf02.zip | |
ovl: create ovl_need_index() helper
The helper determines which lower file needs to be indexed
on copy up and before nlink changes.
For index=on, the helper evaluates to true for lower hardlinks.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 25794a3a3fe1..d7e65284c13b 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -241,6 +241,7 @@ void ovl_clear_flag(unsigned long flag, struct inode *inode); 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_lock_rename_workdir(struct dentry *workdir, struct dentry *upperdir); |