Messages in this thread Patch in this message | | | Subject | [PATCH 04/27] VFS: Make get_filesystem() return the affected filesystem [ver #5] | From | David Howells <> | Date | Wed, 14 Jun 2017 16:15:50 +0100 |
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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> ---
fs/filesystems.c | 3 ++- 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 *);
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