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remove ->write_super call in generic_shutdown_super

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We just did a full fs writeout using sync_filesystem before, and if
that's not enough for the filesystem it can perform it's own writeout
in ->put_super, which many filesystems already do.

Move a call to foofs_write_super into every foofs_put_super for now to
guarantee identical behaviour until it's cleaned up by the individual
filesystem maintainers.

Exceptions:

 - affs already has identical copy & pasted code at the beginning of
   affs_put_super so no need to do it twice.
 - xfs does the right thing without it and I have changes pending for
   the xfs tree touching this are so I don't really need conflicts
   here..

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2009-04-28 18:00:26 +02:00
committed by Al Viro
parent 517bfae283
commit 8c85e12512
13 changed files with 36 additions and 2 deletions
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4
fs/nilfs2/super.c
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@@ -65,6 +65,7 @@ MODULE_DESCRIPTION("A New Implementation of the Log-structured Filesystem "
"(NILFS)");
MODULE_LICENSE("GPL");
static void nilfs_write_super(struct super_block *sb);
static int nilfs_remount(struct super_block *sb, int *flags, char *data);
static int test_exclusive_mount(struct file_system_type *fs_type,
struct block_device *bdev, int flags);
@@ -315,6 +316,9 @@ static void nilfs_put_super(struct super_block *sb)
struct nilfs_sb_info *sbi = NILFS_SB(sb);
struct the_nilfs *nilfs = sbi->s_nilfs;
if (sb->s_dirt)
nilfs_write_super(sb);
nilfs_detach_segment_constructor(sbi);
if (!(sb->s_flags & MS_RDONLY)) {