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| author | Theodore Ts'o <tytso@mit.edu> | 2009-01-03 09:47:09 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2009-01-03 09:47:09 -0500 |
| commit | 87d8fe1ee6b8d2f95076142d58c440dba4e7bdc2 (patch) | |
| tree | 8c91506978a16c22268b086f693e307de0ca57db /fs/super.c | |
| parent | 0087d9fb3f29f59e8d42c8b058376d80e5adde4c (diff) | |
| download | lwn-87d8fe1ee6b8d2f95076142d58c440dba4e7bdc2.tar.gz lwn-87d8fe1ee6b8d2f95076142d58c440dba4e7bdc2.zip | |
add releasepage hooks to block devices which can be used by file systems
Implement blkdev_releasepage() to release the buffer_heads and pages
after we release private data belonging to a mounted filesystem.
Cc: Toshiyuki Okajima <toshi.okajima@jp.fujitsu.com>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/super.c')
| -rw-r--r-- | fs/super.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/super.c b/fs/super.c index ddba069d7a99..d5fd4498548a 100644 --- a/fs/super.c +++ b/fs/super.c @@ -800,6 +800,7 @@ int get_sb_bdev(struct file_system_type *fs_type, } s->s_flags |= MS_ACTIVE; + bdev->bd_super = s; } return simple_set_mnt(mnt, s); @@ -819,6 +820,7 @@ void kill_block_super(struct super_block *sb) struct block_device *bdev = sb->s_bdev; fmode_t mode = sb->s_mode; + bdev->bd_super = 0; generic_shutdown_super(sb); sync_blockdev(bdev); close_bdev_exclusive(bdev, mode); |