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| author | Ingo Molnar <mingo@kernel.org> | 2014-03-11 11:53:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-03-11 11:53:50 +0100 |
| commit | 0066f3b93e144762b409940fa37bb1cd36c1baf7 (patch) | |
| tree | 0c99b2754fb16c2a787bc1d086bd6fb268b12b1a /fs/kernfs | |
| parent | e65312fe868da53077780de618e213a53dc90d00 (diff) | |
| parent | b8ad0f912b93c23c34dfedc615a0eeba6ca29463 (diff) | |
| download | op-kernel-dev-0066f3b93e144762b409940fa37bb1cd36c1baf7.zip op-kernel-dev-0066f3b93e144762b409940fa37bb1cd36c1baf7.tar.gz | |
Merge branch 'perf/urgent' into perf/core
Merge the latest fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/kernfs')
| -rw-r--r-- | fs/kernfs/mount.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c index 0d6ce89..0f4152d 100644 --- a/fs/kernfs/mount.c +++ b/fs/kernfs/mount.c @@ -94,6 +94,7 @@ const void *kernfs_super_ns(struct super_block *sb) * @fs_type: file_system_type of the fs being mounted * @flags: mount flags specified for the mount * @root: kernfs_root of the hierarchy being mounted + * @new_sb_created: tell the caller if we allocated a new superblock * @ns: optional namespace tag of the mount * * This is to be called from each kernfs user's file_system_type->mount() @@ -104,7 +105,8 @@ const void *kernfs_super_ns(struct super_block *sb) * The return value can be passed to the vfs layer verbatim. */ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags, - struct kernfs_root *root, const void *ns) + struct kernfs_root *root, bool *new_sb_created, + const void *ns) { struct super_block *sb; struct kernfs_super_info *info; @@ -122,6 +124,10 @@ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags, kfree(info); if (IS_ERR(sb)) return ERR_CAST(sb); + + if (new_sb_created) + *new_sb_created = !sb->s_root; + if (!sb->s_root) { error = kernfs_fill_super(sb); if (error) { |
