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Subject[PATCH 5/10] gfs2: Fix error handling in write_super_lockfs/unlockfs
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Date
Changed write_super_lockfs so that it returns an error in case of an failure.
unlockfs always returns 0.

Signed-off-by: Takashi Sato <t-sato@yk.jp.nec.com>
Signed-off-by: Masayuki Hamaguchi <m-hamaguchi@ys.jp.nec.com>
---
ops_super.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff -uprN -X linux-2.6.27-rc7-lockfs-reiserfs/Documentation/dontdiff linux-2.6.27-rc7-lockfs-reiserfs/fs/gfs2/ops_super
.c linux-2.6.27-rc7-lockfs-gfs2/fs/gfs2/ops_super.c
--- linux-2.6.27-rc7-lockfs-reiserfs/fs/gfs2/ops_super.c 2008-09-26 12:24:01.000000000 +0900
+++ linux-2.6.27-rc7-lockfs-gfs2/fs/gfs2/ops_super.c 2008-09-26 17:02:06.000000000 +0900
@@ -161,18 +161,18 @@ static int gfs2_sync_fs(struct super_blo
}

/**
- * gfs2_write_super_lockfs - prevent further writes to the filesystem
+ * gfs2_freeze - prevent further writes to the filesystem
* @sb: the VFS structure for the filesystem
*
*/

-static void gfs2_write_super_lockfs(struct super_block *sb)
+static int gfs2_freeze(struct super_block *sb)
{
struct gfs2_sbd *sdp = sb->s_fs_info;
int error;

if (test_bit(SDF_SHUTDOWN, &sdp->sd_flags))
- return;
+ return -EINVAL;

for (;;) {
error = gfs2_freeze_fs(sdp);
@@ -192,17 +192,19 @@ static void gfs2_write_super_lockfs(stru
fs_err(sdp, "retrying...\n");
msleep(1000);
}
+ return 0;
}

/**
- * gfs2_unlockfs - reallow writes to the filesystem
+ * gfs2_unfreeze - reallow writes to the filesystem
* @sb: the VFS structure for the filesystem
*
*/

-static void gfs2_unlockfs(struct super_block *sb)
+static int gfs2_unfreeze(struct super_block *sb)
{
gfs2_unfreeze_fs(sb->s_fs_info);
+ return 0;
}

/**
@@ -505,8 +507,8 @@ const struct super_operations gfs2_super
.put_super = gfs2_put_super,
.write_super = gfs2_write_super,
.sync_fs = gfs2_sync_fs,
- .write_super_lockfs = gfs2_write_super_lockfs,
- .unlockfs = gfs2_unlockfs,
+ .freeze_fs = gfs2_freeze,
+ .unfreeze_fs = gfs2_unfreeze,
.statfs = gfs2_statfs,
.remount_fs = gfs2_remount_fs,
.clear_inode = gfs2_clear_inode,

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