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| author | David Howells | 2017-07-04 18:25:16 +0200 |
|---|---|---|
| committer | Al Viro | 2017-07-06 09:27:09 +0200 |
| commit | ee416bcdba9975065de571e09de1f7ebfde2156a (patch) | |
| tree | 20aeec2addf524142ca334c6507c9f4d3a197fdd | |
| parent | VFS: Clean up whitespace in fs/namespace.c and fs/super.c (diff) | |
| download | kernel-qcow2-linux-ee416bcdba9975065de571e09de1f7ebfde2156a.tar.gz kernel-qcow2-linux-ee416bcdba9975065de571e09de1f7ebfde2156a.tar.xz kernel-qcow2-linux-ee416bcdba9975065de571e09de1f7ebfde2156a.zip | |
VFS: Make get_filesystem() return the affected filesystem
Make get_filesystem() return a pointer to the filesystem on which it just
got a ref.
Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/filesystems.c | 3 | ||||
| -rw-r--r-- | include/linux/fs.h | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/fs/filesystems.c b/fs/filesystems.c index cac75547d35c..591e52d23ed4 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -33,9 +33,10 @@ static struct file_system_type *file_systems; static DEFINE_RWLOCK(file_systems_lock); /* WARNING: This can be used only if we _already_ own a reference */ -void get_filesystem(struct file_system_type *fs) +struct file_system_type *get_filesystem(struct file_system_type *fs) { __module_get(fs->owner); + return fs; } void put_filesystem(struct file_system_type *fs) diff --git a/include/linux/fs.h b/include/linux/fs.h index 803e5a9b2654..bc0c054894b9 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2956,7 +2956,7 @@ extern int generic_block_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len, get_block_t *get_block); -extern void get_filesystem(struct file_system_type *fs); +extern struct file_system_type *get_filesystem(struct file_system_type *fs); extern void put_filesystem(struct file_system_type *fs); extern struct file_system_type *get_fs_type(const char *name); extern struct super_block *get_super(struct block_device *); |