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authorChristian Brauner <brauner@kernel.org>2023-10-24 15:01:12 +0200
committerChristian Brauner <brauner@kernel.org>2023-11-18 14:59:23 +0100
commit434f8d8299f2a0c97578f77ab23a70cd0ae56544 (patch)
treea0c2155a868485ad4972f08685fd0d378cb4b5ce /fs/super.c
parentbdev: implement freeze and thaw holder operations (diff)
downloadlinux-434f8d8299f2a0c97578f77ab23a70cd0ae56544.tar.xz
linux-434f8d8299f2a0c97578f77ab23a70cd0ae56544.zip
fs: remove get_active_super()
This function is now unused so remove it. One less function that uses the global superblock list. Link: https://lore.kernel.org/r/20231024-vfs-super-freeze-v2-6-599c19f4faac@kernel.org Reviewed-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/super.c')
-rw-r--r--fs/super.c28
1 files changed, 0 insertions, 28 deletions
diff --git a/fs/super.c b/fs/super.c
index 8c943ab1f424..b49a49d70450 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1027,34 +1027,6 @@ void iterate_supers_type(struct file_system_type *type,
EXPORT_SYMBOL(iterate_supers_type);
-/**
- * get_active_super - get an active reference to the superblock of a device
- * @bdev: device to get the superblock for
- *
- * Scans the superblock list and finds the superblock of the file system
- * mounted on the device given. Returns the superblock with an active
- * reference or %NULL if none was found.
- */
-struct super_block *get_active_super(struct block_device *bdev)
-{
- struct super_block *sb;
-
- if (!bdev)
- return NULL;
-
- spin_lock(&sb_lock);
- list_for_each_entry(sb, &super_blocks, s_list) {
- if (sb->s_bdev == bdev) {
- if (!grab_super(sb))
- return NULL;
- super_unlock_excl(sb);
- return sb;
- }
- }
- spin_unlock(&sb_lock);
- return NULL;
-}
-
struct super_block *user_get_super(dev_t dev, bool excl)
{
struct super_block *sb;