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-rw-r--r--fs/btrfs/extent-tree.c2
-rw-r--r--fs/btrfs/qgroup.c32
-rw-r--r--fs/btrfs/scrub.c2
-rw-r--r--fs/btrfs/super.c8
-rw-r--r--fs/btrfs/zoned.c13
5 files changed, 45 insertions, 12 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 47d48233b592..3774c191e36d 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -477,7 +477,7 @@ again:
if (path->slots[0] >= nritems) {
ret = btrfs_next_leaf(root, path);
if (ret) {
- if (ret > 1)
+ if (ret > 0)
return -ENOENT;
return ret;
}
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index eb28141d5c37..fc2a7ea26354 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -468,6 +468,7 @@ int btrfs_read_qgroup_config(struct btrfs_fs_info *fs_info)
}
if (!qgroup) {
struct btrfs_qgroup *prealloc;
+ struct btrfs_root *tree_root = fs_info->tree_root;
prealloc = kzalloc(sizeof(*prealloc), GFP_KERNEL);
if (!prealloc) {
@@ -475,6 +476,25 @@ int btrfs_read_qgroup_config(struct btrfs_fs_info *fs_info)
goto out;
}
qgroup = add_qgroup_rb(fs_info, prealloc, found_key.offset);
+ /*
+ * If a qgroup exists for a subvolume ID, it is possible
+ * that subvolume has been deleted, in which case
+ * re-using that ID would lead to incorrect accounting.
+ *
+ * Ensure that we skip any such subvol ids.
+ *
+ * We don't need to lock because this is only called
+ * during mount before we start doing things like creating
+ * subvolumes.
+ */
+ if (is_fstree(qgroup->qgroupid) &&
+ qgroup->qgroupid > tree_root->free_objectid)
+ /*
+ * Don't need to check against BTRFS_LAST_FREE_OBJECTID,
+ * as it will get checked on the next call to
+ * btrfs_get_free_objectid.
+ */
+ tree_root->free_objectid = qgroup->qgroupid + 1;
}
ret = btrfs_sysfs_add_one_qgroup(fs_info, qgroup);
if (ret < 0)
@@ -3820,14 +3840,14 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid,
/* we're resuming qgroup rescan at mount time */
if (!(fs_info->qgroup_flags &
BTRFS_QGROUP_STATUS_FLAG_RESCAN)) {
- btrfs_warn(fs_info,
+ btrfs_debug(fs_info,
"qgroup rescan init failed, qgroup rescan is not queued");
ret = -EINVAL;
} else if (!(fs_info->qgroup_flags &
BTRFS_QGROUP_STATUS_FLAG_ON)) {
- btrfs_warn(fs_info,
+ btrfs_debug(fs_info,
"qgroup rescan init failed, qgroup is not enabled");
- ret = -EINVAL;
+ ret = -ENOTCONN;
}
if (ret)
@@ -3838,14 +3858,12 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid,
if (init_flags) {
if (fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN) {
- btrfs_warn(fs_info,
- "qgroup rescan is already in progress");
ret = -EINPROGRESS;
} else if (!(fs_info->qgroup_flags &
BTRFS_QGROUP_STATUS_FLAG_ON)) {
- btrfs_warn(fs_info,
+ btrfs_debug(fs_info,
"qgroup rescan init failed, qgroup is not enabled");
- ret = -EINVAL;
+ ret = -ENOTCONN;
} else if (btrfs_qgroup_mode(fs_info) == BTRFS_QGROUP_MODE_DISABLED) {
/* Quota disable is in progress */
ret = -EBUSY;
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 4b22cfe9a98c..afd6932f5e89 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -2100,7 +2100,7 @@ static int scrub_simple_mirror(struct scrub_ctx *sctx,
struct btrfs_fs_info *fs_info = sctx->fs_info;
const u64 logical_end = logical_start + logical_length;
u64 cur_logical = logical_start;
- int ret;
+ int ret = 0;
/* The range must be inside the bg */
ASSERT(logical_start >= bg->start && logical_end <= bg->start + bg->length);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 2dbc930a20f7..f05cce7c8b8d 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -119,6 +119,7 @@ enum {
Opt_thread_pool,
Opt_treelog,
Opt_user_subvol_rm_allowed,
+ Opt_norecovery,
/* Rescue options */
Opt_rescue,
@@ -245,6 +246,8 @@ static const struct fs_parameter_spec btrfs_fs_parameters[] = {
__fsparam(NULL, "nologreplay", Opt_nologreplay, fs_param_deprecated, NULL),
/* Deprecated, with alias rescue=usebackuproot */
__fsparam(NULL, "usebackuproot", Opt_usebackuproot, fs_param_deprecated, NULL),
+ /* For compatibility only, alias for "rescue=nologreplay". */
+ fsparam_flag("norecovery", Opt_norecovery),
/* Debugging options. */
fsparam_flag_no("enospc_debug", Opt_enospc_debug),
@@ -438,6 +441,11 @@ static int btrfs_parse_param(struct fs_context *fc, struct fs_parameter *param)
"'nologreplay' is deprecated, use 'rescue=nologreplay' instead");
btrfs_set_opt(ctx->mount_opt, NOLOGREPLAY);
break;
+ case Opt_norecovery:
+ btrfs_info(NULL,
+"'norecovery' is for compatibility only, recommended to use 'rescue=nologreplay'");
+ btrfs_set_opt(ctx->mount_opt, NOLOGREPLAY);
+ break;
case Opt_flushoncommit:
if (result.negated)
btrfs_clear_opt(ctx->mount_opt, FLUSHONCOMMIT);
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 9b43fa493219..947a87576f6c 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -1290,7 +1290,7 @@ static int btrfs_load_zone_info(struct btrfs_fs_info *fs_info, int zone_idx,
struct btrfs_chunk_map *map)
{
struct btrfs_dev_replace *dev_replace = &fs_info->dev_replace;
- struct btrfs_device *device = map->stripes[zone_idx].dev;
+ struct btrfs_device *device;
int dev_replace_is_ongoing = 0;
unsigned int nofs_flag;
struct blk_zone zone;
@@ -1298,7 +1298,11 @@ static int btrfs_load_zone_info(struct btrfs_fs_info *fs_info, int zone_idx,
info->physical = map->stripes[zone_idx].physical;
+ down_read(&dev_replace->rwsem);
+ device = map->stripes[zone_idx].dev;
+
if (!device->bdev) {
+ up_read(&dev_replace->rwsem);
info->alloc_offset = WP_MISSING_DEV;
return 0;
}
@@ -1308,6 +1312,7 @@ static int btrfs_load_zone_info(struct btrfs_fs_info *fs_info, int zone_idx,
__set_bit(zone_idx, active);
if (!btrfs_dev_is_sequential(device, info->physical)) {
+ up_read(&dev_replace->rwsem);
info->alloc_offset = WP_CONVENTIONAL;
return 0;
}
@@ -1315,11 +1320,9 @@ static int btrfs_load_zone_info(struct btrfs_fs_info *fs_info, int zone_idx,
/* This zone will be used for allocation, so mark this zone non-empty. */
btrfs_dev_clear_zone_empty(device, info->physical);
- down_read(&dev_replace->rwsem);
dev_replace_is_ongoing = btrfs_dev_replace_is_ongoing(dev_replace);
if (dev_replace_is_ongoing && dev_replace->tgtdev != NULL)
btrfs_dev_clear_zone_empty(dev_replace->tgtdev, info->physical);
- up_read(&dev_replace->rwsem);
/*
* The group is mapped to a sequential zone. Get the zone write pointer
@@ -1330,6 +1333,7 @@ static int btrfs_load_zone_info(struct btrfs_fs_info *fs_info, int zone_idx,
ret = btrfs_get_dev_zone(device, info->physical, &zone);
memalloc_nofs_restore(nofs_flag);
if (ret) {
+ up_read(&dev_replace->rwsem);
if (ret != -EIO && ret != -EOPNOTSUPP)
return ret;
info->alloc_offset = WP_MISSING_DEV;
@@ -1341,6 +1345,7 @@ static int btrfs_load_zone_info(struct btrfs_fs_info *fs_info, int zone_idx,
"zoned: unexpected conventional zone %llu on device %s (devid %llu)",
zone.start << SECTOR_SHIFT, rcu_str_deref(device->name),
device->devid);
+ up_read(&dev_replace->rwsem);
return -EIO;
}
@@ -1368,6 +1373,8 @@ static int btrfs_load_zone_info(struct btrfs_fs_info *fs_info, int zone_idx,
break;
}
+ up_read(&dev_replace->rwsem);
+
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 05:05:18 +0000