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authorChris Mason <chris.mason@oracle.com>2012-03-28 20:31:37 -0400
committerChris Mason <chris.mason@oracle.com>2012-03-28 20:31:37 -0400
commit1d4284bd6e8d7dd1d5521a6747bdb6dc1caf0225 (patch)
treea7dde6312ec24eb6368cad7a3efedbf368a5a70c /fs/btrfs/scrub.c
parentb5d67f64f9bc656970dacba245410f0faedad18e (diff)
parent65139ed99234d8505948cdb7a835452eb5c191f9 (diff)
downloadop-kernel-dev-1d4284bd6e8d7dd1d5521a6747bdb6dc1caf0225.zip
op-kernel-dev-1d4284bd6e8d7dd1d5521a6747bdb6dc1caf0225.tar.gz
Merge branch 'error-handling' into for-linus
Conflicts: fs/btrfs/ctree.c fs/btrfs/disk-io.c fs/btrfs/extent-tree.c fs/btrfs/extent_io.c fs/btrfs/extent_io.h fs/btrfs/inode.c fs/btrfs/scrub.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/scrub.c')
-rw-r--r--fs/btrfs/scrub.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 5221e07..07e59d9 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -2157,6 +2157,9 @@ static noinline_for_stack int scrub_supers(struct scrub_dev *sdev)
struct btrfs_device *device = sdev->dev;
struct btrfs_root *root = device->dev_root;
+ if (root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR)
+ return -EIO;
+
gen = root->fs_info->last_trans_committed;
for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) {
@@ -2317,7 +2320,7 @@ int btrfs_scrub_dev(struct btrfs_root *root, u64 devid, u64 start, u64 end,
return ret;
}
-int btrfs_scrub_pause(struct btrfs_root *root)
+void btrfs_scrub_pause(struct btrfs_root *root)
{
struct btrfs_fs_info *fs_info = root->fs_info;
@@ -2332,34 +2335,28 @@ int btrfs_scrub_pause(struct btrfs_root *root)
mutex_lock(&fs_info->scrub_lock);
}
mutex_unlock(&fs_info->scrub_lock);
-
- return 0;
}
-int btrfs_scrub_continue(struct btrfs_root *root)
+void btrfs_scrub_continue(struct btrfs_root *root)
{
struct btrfs_fs_info *fs_info = root->fs_info;
atomic_dec(&fs_info->scrub_pause_req);
wake_up(&fs_info->scrub_pause_wait);
- return 0;
}
-int btrfs_scrub_pause_super(struct btrfs_root *root)
+void btrfs_scrub_pause_super(struct btrfs_root *root)
{
down_write(&root->fs_info->scrub_super_lock);
- return 0;
}
-int btrfs_scrub_continue_super(struct btrfs_root *root)
+void btrfs_scrub_continue_super(struct btrfs_root *root)
{
up_write(&root->fs_info->scrub_super_lock);
- return 0;
}
-int btrfs_scrub_cancel(struct btrfs_root *root)
+int __btrfs_scrub_cancel(struct btrfs_fs_info *fs_info)
{
- struct btrfs_fs_info *fs_info = root->fs_info;
mutex_lock(&fs_info->scrub_lock);
if (!atomic_read(&fs_info->scrubs_running)) {
@@ -2380,6 +2377,11 @@ int btrfs_scrub_cancel(struct btrfs_root *root)
return 0;
}
+int btrfs_scrub_cancel(struct btrfs_root *root)
+{
+ return __btrfs_scrub_cancel(root->fs_info);
+}
+
int btrfs_scrub_cancel_dev(struct btrfs_root *root, struct btrfs_device *dev)
{
struct btrfs_fs_info *fs_info = root->fs_info;
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