From: David Howells Date: Tue, 4 Jul 2017 16:25:16 +0000 (+0100) Subject: VFS: Make get_filesystem() return the affected filesystem X-Git-Tag: v4.13-rc1~3^2~16 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ee416bcdba9975065de571e09de1f7ebfde2156a;p=thirdparty%2Fkernel%2Flinux.git 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 Signed-off-by: David Howells Signed-off-by: Al Viro --- diff --git a/fs/filesystems.c b/fs/filesystems.c index cac75547d35cc..591e52d23ed4d 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 803e5a9b26542..bc0c054894b9e 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 *);