diff options
| author | Sean Paul <seanpaul@chromium.org> | 2017-05-18 09:24:30 -0400 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-05-18 09:24:30 -0400 |
| commit | 6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3 (patch) | |
| tree | ee55c67e4ea30b9eb44f301ba0bde2e631a26162 /fs/overlayfs/util.c | |
| parent | 52d9d38c183bf0e09601d875ea31bb53c05dd8cf (diff) | |
| parent | e98c58e55f68f8785aebfab1f8c9a03d8de0afe1 (diff) | |
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Picking up drm-next @ 4.12-rc1 in order to apply Michal Hocko's vmalloc patch set
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'fs/overlayfs/util.c')
| -rw-r--r-- | fs/overlayfs/util.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index 6e610a205e15..cfdea47313a1 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -40,6 +40,13 @@ const struct cred *ovl_override_creds(struct super_block *sb) return override_creds(ofs->creator_cred); } +struct super_block *ovl_same_sb(struct super_block *sb) +{ + struct ovl_fs *ofs = sb->s_fs_info; + + return ofs->same_sb; +} + struct ovl_entry *ovl_alloc_entry(unsigned int numlower) { size_t size = offsetof(struct ovl_entry, lowerstack[numlower]); @@ -75,11 +82,13 @@ enum ovl_path_type ovl_path_type(struct dentry *dentry) type = __OVL_PATH_UPPER; /* - * Non-dir dentry can hold lower dentry from previous - * location. + * Non-dir dentry can hold lower dentry of its copy up origin. */ - if (oe->numlower && d_is_dir(dentry)) - type |= __OVL_PATH_MERGE; + if (oe->numlower) { + type |= __OVL_PATH_ORIGIN; + if (d_is_dir(dentry)) + type |= __OVL_PATH_MERGE; + } } else { if (oe->numlower > 1) type |= __OVL_PATH_MERGE; @@ -100,7 +109,7 @@ void ovl_path_lower(struct dentry *dentry, struct path *path) { struct ovl_entry *oe = dentry->d_fsdata; - *path = oe->numlower ? oe->lowerstack[0] : (struct path) { NULL, NULL }; + *path = oe->numlower ? oe->lowerstack[0] : (struct path) { }; } enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path) |