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-rw-r--r--fs/btrfs/ctree.h4
-rw-r--r--fs/btrfs/disk-io.c5
-rw-r--r--fs/btrfs/file.c2
-rw-r--r--fs/btrfs/scrub.c2
-rw-r--r--fs/btrfs/super.c4
-rw-r--r--fs/btrfs/transaction.c9
6 files changed, 14 insertions, 12 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 5f5c30aaef36..78fba44ad3d9 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -338,7 +338,9 @@ static inline unsigned long btrfs_chunk_item_size(int num_stripes)
/*
* File system states
*/
+#define BTRFS_FS_STATE_ERROR 0
+/* Super block flags */
/* Errors detected */
#define BTRFS_SUPER_FLAG_ERROR (1ULL << 2)
@@ -1549,7 +1551,7 @@ struct btrfs_fs_info {
u64 qgroup_seq;
/* filesystem state */
- u64 fs_state;
+ unsigned long fs_state;
struct btrfs_delayed_root *delayed_root;
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 00b6742fdde7..8e58a1f90546 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2201,7 +2201,8 @@ int open_ctree(struct super_block *sb,
goto fail_alloc;
/* check FS state, whether FS is broken. */
- fs_info->fs_state |= btrfs_super_flags(disk_super);
+ if (btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_ERROR)
+ set_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state);
ret = btrfs_check_super_valid(fs_info, sb->s_flags & MS_RDONLY);
if (ret) {
@@ -3359,7 +3360,7 @@ int close_ctree(struct btrfs_root *root)
printk(KERN_ERR "btrfs: commit super ret %d\n", ret);
}
- if (fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR)
+ if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
btrfs_error_commit_super(root);
btrfs_put_block_group_cache(fs_info);
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 13c78ea3ebce..75d0fe134be3 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1545,7 +1545,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
* although we have opened a file as writable, we have
* to stop this write operation to ensure FS consistency.
*/
- if (root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) {
+ if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state)) {
mutex_unlock(&inode->i_mutex);
err = -EROFS;
goto out;
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 67783e03d121..c78b2a3fc335 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -2708,7 +2708,7 @@ static noinline_for_stack int scrub_supers(struct scrub_ctx *sctx,
int ret;
struct btrfs_root *root = sctx->dev_root;
- if (root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR)
+ if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))
return -EIO;
gen = root->fs_info->last_trans_committed;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index eda330df45a4..4152f9ea34f5 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -98,7 +98,7 @@ static void __save_error_info(struct btrfs_fs_info *fs_info)
* today we only save the error info into ram. Long term we'll
* also send it down to the disk
*/
- fs_info->fs_state = BTRFS_SUPER_FLAG_ERROR;
+ set_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state);
}
static void save_error_info(struct btrfs_fs_info *fs_info)
@@ -114,7 +114,7 @@ static void btrfs_handle_error(struct btrfs_fs_info *fs_info)
if (sb->s_flags & MS_RDONLY)
return;
- if (fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) {
+ if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) {
sb->s_flags |= MS_RDONLY;
printk(KERN_INFO "btrfs is forced readonly\n");
/*
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 34610dc6d140..baf6d74fd0f2 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -61,7 +61,7 @@ static noinline int join_transaction(struct btrfs_root *root, int type)
spin_lock(&fs_info->trans_lock);
loop:
/* The file system has been taken offline. No new transactions. */
- if (fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) {
+ if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) {
spin_unlock(&fs_info->trans_lock);
return -EROFS;
}
@@ -113,7 +113,7 @@ loop:
kmem_cache_free(btrfs_transaction_cachep, cur_trans);
cur_trans = fs_info->running_transaction;
goto loop;
- } else if (fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) {
+ } else if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) {
spin_unlock(&fs_info->trans_lock);
kmem_cache_free(btrfs_transaction_cachep, cur_trans);
return -EROFS;
@@ -301,7 +301,7 @@ start_transaction(struct btrfs_root *root, u64 num_items, int type,
int ret;
u64 qgroup_reserved = 0;
- if (root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR)
+ if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))
return ERR_PTR(-EROFS);
if (current->journal_info) {
@@ -645,9 +645,8 @@ static int __btrfs_end_transaction(struct btrfs_trans_handle *trans,
btrfs_run_delayed_iputs(root);
if (trans->aborted ||
- root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR) {
+ test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))
err = -EIO;
- }
assert_qgroups_uptodate(trans);
kmem_cache_free(btrfs_trans_handle_cachep, trans);