diff options
Diffstat (limited to 'fs/btrfs')
-rw-r--r-- | fs/btrfs/bio.c | 26 | ||||
-rw-r--r-- | fs/btrfs/ctree.h | 1 | ||||
-rw-r--r-- | fs/btrfs/direct-io.c | 16 | ||||
-rw-r--r-- | fs/btrfs/fiemap.c | 2 | ||||
-rw-r--r-- | fs/btrfs/file.c | 9 | ||||
-rw-r--r-- | fs/btrfs/qgroup.c | 5 | ||||
-rw-r--r-- | fs/btrfs/space-info.c | 17 | ||||
-rw-r--r-- | fs/btrfs/space-info.h | 2 | ||||
-rw-r--r-- | fs/btrfs/transaction.h | 6 | ||||
-rw-r--r-- | fs/btrfs/zoned.c | 30 |
10 files changed, 69 insertions, 45 deletions
diff --git a/fs/btrfs/bio.c b/fs/btrfs/bio.c index f04d93109960..b4e31ae17cd9 100644 --- a/fs/btrfs/bio.c +++ b/fs/btrfs/bio.c @@ -668,7 +668,6 @@ static bool btrfs_submit_chunk(struct btrfs_bio *bbio, int mirror_num) { struct btrfs_inode *inode = bbio->inode; struct btrfs_fs_info *fs_info = bbio->fs_info; - struct btrfs_bio *orig_bbio = bbio; struct bio *bio = &bbio->bio; u64 logical = bio->bi_iter.bi_sector << SECTOR_SHIFT; u64 length = bio->bi_iter.bi_size; @@ -706,7 +705,7 @@ static bool btrfs_submit_chunk(struct btrfs_bio *bbio, int mirror_num) bbio->saved_iter = bio->bi_iter; ret = btrfs_lookup_bio_sums(bbio); if (ret) - goto fail_put_bio; + goto fail; } if (btrfs_op(bio) == BTRFS_MAP_WRITE) { @@ -740,13 +739,13 @@ static bool btrfs_submit_chunk(struct btrfs_bio *bbio, int mirror_num) ret = btrfs_bio_csum(bbio); if (ret) - goto fail_put_bio; + goto fail; } else if (use_append || (btrfs_is_zoned(fs_info) && inode && inode->flags & BTRFS_INODE_NODATASUM)) { ret = btrfs_alloc_dummy_sum(bbio); if (ret) - goto fail_put_bio; + goto fail; } } @@ -754,12 +753,23 @@ static bool btrfs_submit_chunk(struct btrfs_bio *bbio, int mirror_num) done: return map_length == length; -fail_put_bio: - if (map_length < length) - btrfs_cleanup_bio(bbio); fail: btrfs_bio_counter_dec(fs_info); - btrfs_bio_end_io(orig_bbio, ret); + /* + * We have split the original bbio, now we have to end both the current + * @bbio and remaining one, as the remaining one will never be submitted. + */ + if (map_length < length) { + struct btrfs_bio *remaining = bbio->private; + + ASSERT(bbio->bio.bi_pool == &btrfs_clone_bioset); + ASSERT(remaining); + + remaining->bio.bi_status = ret; + btrfs_orig_bbio_end_io(remaining); + } + bbio->bio.bi_status = ret; + btrfs_orig_bbio_end_io(bbio); /* Do not submit another chunk */ return true; } diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 75fa563e4cac..c8568b1a61c4 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -459,7 +459,6 @@ struct btrfs_file_private { void *filldir_buf; u64 last_index; struct extent_state *llseek_cached_state; - bool fsync_skip_inode_lock; }; static inline u32 BTRFS_LEAF_DATA_SIZE(const struct btrfs_fs_info *info) diff --git a/fs/btrfs/direct-io.c b/fs/btrfs/direct-io.c index 67adbe9d294a..364bce34f034 100644 --- a/fs/btrfs/direct-io.c +++ b/fs/btrfs/direct-io.c @@ -864,13 +864,6 @@ again: if (IS_ERR_OR_NULL(dio)) { ret = PTR_ERR_OR_ZERO(dio); } else { - struct btrfs_file_private stack_private = { 0 }; - struct btrfs_file_private *private; - const bool have_private = (file->private_data != NULL); - - if (!have_private) - file->private_data = &stack_private; - /* * If we have a synchronous write, we must make sure the fsync * triggered by the iomap_dio_complete() call below doesn't @@ -879,13 +872,10 @@ again: * partial writes due to the input buffer (or parts of it) not * being already faulted in. */ - private = file->private_data; - private->fsync_skip_inode_lock = true; + ASSERT(current->journal_info == NULL); + current->journal_info = BTRFS_TRANS_DIO_WRITE_STUB; ret = iomap_dio_complete(dio); - private->fsync_skip_inode_lock = false; - - if (!have_private) - file->private_data = NULL; + current->journal_info = NULL; } /* No increment (+=) because iomap returns a cumulative value. */ diff --git a/fs/btrfs/fiemap.c b/fs/btrfs/fiemap.c index 8f95f3e44e99..df7f09f3b02e 100644 --- a/fs/btrfs/fiemap.c +++ b/fs/btrfs/fiemap.c @@ -637,7 +637,7 @@ static int extent_fiemap(struct btrfs_inode *inode, struct btrfs_path *path; struct fiemap_cache cache = { 0 }; struct btrfs_backref_share_check_ctx *backref_ctx; - u64 last_extent_end; + u64 last_extent_end = 0; u64 prev_extent_end; u64 range_start; u64 range_end; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 9914419f3b7d..2aeb8116549c 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1603,7 +1603,6 @@ static inline bool skip_inode_logging(const struct btrfs_log_ctx *ctx) */ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) { - struct btrfs_file_private *private = file->private_data; struct dentry *dentry = file_dentry(file); struct btrfs_inode *inode = BTRFS_I(d_inode(dentry)); struct btrfs_root *root = inode->root; @@ -1613,7 +1612,13 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) int ret = 0, err; u64 len; bool full_sync; - const bool skip_ilock = (private ? private->fsync_skip_inode_lock : false); + bool skip_ilock = false; + + if (current->journal_info == BTRFS_TRANS_DIO_WRITE_STUB) { + skip_ilock = true; + current->journal_info = NULL; + lockdep_assert_held(&inode->vfs_inode.i_rwsem); + } trace_btrfs_sync_file(file, datasync); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 5d57a285d59b..feb8f9f2f358 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -4185,6 +4185,8 @@ static int try_flush_qgroup(struct btrfs_root *root) return 0; } + btrfs_run_delayed_iputs(root->fs_info); + btrfs_wait_on_delayed_iputs(root->fs_info); ret = btrfs_start_delalloc_snapshot(root, true); if (ret < 0) goto out; @@ -4344,10 +4346,9 @@ static int __btrfs_qgroup_release_data(struct btrfs_inode *inode, int ret; if (btrfs_qgroup_mode(inode->root->fs_info) == BTRFS_QGROUP_MODE_DISABLED) { - extent_changeset_init(&changeset); return clear_record_extent_bits(&inode->io_tree, start, start + len - 1, - EXTENT_QGROUP_RESERVED, &changeset); + EXTENT_QGROUP_RESERVED, NULL); } /* In release case, we shouldn't have @reserved */ diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c index 68e14fd48638..c691784b4660 100644 --- a/fs/btrfs/space-info.c +++ b/fs/btrfs/space-info.c @@ -1985,8 +1985,8 @@ static bool is_reclaim_urgent(struct btrfs_space_info *space_info) return unalloc < data_chunk_size; } -static int do_reclaim_sweep(struct btrfs_fs_info *fs_info, - struct btrfs_space_info *space_info, int raid) +static void do_reclaim_sweep(struct btrfs_fs_info *fs_info, + struct btrfs_space_info *space_info, int raid) { struct btrfs_block_group *bg; int thresh_pct; @@ -2031,7 +2031,6 @@ again: } up_read(&space_info->groups_sem); - return 0; } void btrfs_space_info_update_reclaimable(struct btrfs_space_info *space_info, s64 bytes) @@ -2074,21 +2073,15 @@ bool btrfs_should_periodic_reclaim(struct btrfs_space_info *space_info) return ret; } -int btrfs_reclaim_sweep(struct btrfs_fs_info *fs_info) +void btrfs_reclaim_sweep(struct btrfs_fs_info *fs_info) { - int ret; int raid; struct btrfs_space_info *space_info; list_for_each_entry(space_info, &fs_info->space_info, list) { if (!btrfs_should_periodic_reclaim(space_info)) continue; - for (raid = 0; raid < BTRFS_NR_RAID_TYPES; raid++) { - ret = do_reclaim_sweep(fs_info, space_info, raid); - if (ret) - return ret; - } + for (raid = 0; raid < BTRFS_NR_RAID_TYPES; raid++) + do_reclaim_sweep(fs_info, space_info, raid); } - - return ret; } diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h index 88b44221ce97..5602026c5e14 100644 --- a/fs/btrfs/space-info.h +++ b/fs/btrfs/space-info.h @@ -294,6 +294,6 @@ void btrfs_space_info_update_reclaimable(struct btrfs_space_info *space_info, s6 void btrfs_set_periodic_reclaim_ready(struct btrfs_space_info *space_info, bool ready); bool btrfs_should_periodic_reclaim(struct btrfs_space_info *space_info); int btrfs_calc_reclaim_threshold(struct btrfs_space_info *space_info); -int btrfs_reclaim_sweep(struct btrfs_fs_info *fs_info); +void btrfs_reclaim_sweep(struct btrfs_fs_info *fs_info); #endif /* BTRFS_SPACE_INFO_H */ diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 98c03ddc760b..dd9ce9b9f69e 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -27,6 +27,12 @@ struct btrfs_root_item; struct btrfs_root; struct btrfs_path; +/* + * Signal that a direct IO write is in progress, to avoid deadlock for sync + * direct IO writes when fsync is called during the direct IO write path. + */ +#define BTRFS_TRANS_DIO_WRITE_STUB ((void *) 1) + /* Radix-tree tag for roots that are part of the trasaction. */ #define BTRFS_ROOT_TRANS_TAG 0 diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 66f63e82af79..047e3337852e 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -1406,6 +1406,8 @@ static int btrfs_load_block_group_dup(struct btrfs_block_group *bg, return -EINVAL; } + bg->zone_capacity = min_not_zero(zone_info[0].capacity, zone_info[1].capacity); + if (zone_info[0].alloc_offset == WP_MISSING_DEV) { btrfs_err(bg->fs_info, "zoned: cannot recover write pointer for zone %llu", @@ -1432,7 +1434,6 @@ static int btrfs_load_block_group_dup(struct btrfs_block_group *bg, } bg->alloc_offset = zone_info[0].alloc_offset; - bg->zone_capacity = min(zone_info[0].capacity, zone_info[1].capacity); return 0; } @@ -1450,6 +1451,9 @@ static int btrfs_load_block_group_raid1(struct btrfs_block_group *bg, return -EINVAL; } + /* In case a device is missing we have a cap of 0, so don't use it. */ + bg->zone_capacity = min_not_zero(zone_info[0].capacity, zone_info[1].capacity); + for (i = 0; i < map->num_stripes; i++) { if (zone_info[i].alloc_offset == WP_MISSING_DEV || zone_info[i].alloc_offset == WP_CONVENTIONAL) @@ -1471,9 +1475,6 @@ static int btrfs_load_block_group_raid1(struct btrfs_block_group *bg, if (test_bit(0, active)) set_bit(BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE, &bg->runtime_flags); } - /* In case a device is missing we have a cap of 0, so don't use it. */ - bg->zone_capacity = min_not_zero(zone_info[0].capacity, - zone_info[1].capacity); } if (zone_info[0].alloc_offset != WP_MISSING_DEV) @@ -1563,6 +1564,7 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new) unsigned long *active = NULL; u64 last_alloc = 0; u32 num_sequential = 0, num_conventional = 0; + u64 profile; if (!btrfs_is_zoned(fs_info)) return 0; @@ -1623,7 +1625,8 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new) } } - switch (map->type & BTRFS_BLOCK_GROUP_PROFILE_MASK) { + profile = map->type & BTRFS_BLOCK_GROUP_PROFILE_MASK; + switch (profile) { case 0: /* single */ ret = btrfs_load_block_group_single(cache, &zone_info[0], active); break; @@ -1650,6 +1653,23 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new) goto out; } + if (ret == -EIO && profile != 0 && profile != BTRFS_BLOCK_GROUP_RAID0 && + profile != BTRFS_BLOCK_GROUP_RAID10) { + /* + * Detected broken write pointer. Make this block group + * unallocatable by setting the allocation pointer at the end of + * allocatable region. Relocating this block group will fix the + * mismatch. + * + * Currently, we cannot handle RAID0 or RAID10 case like this + * because we don't have a proper zone_capacity value. But, + * reading from this block group won't work anyway by a missing + * stripe. + */ + cache->alloc_offset = cache->zone_capacity; + ret = 0; + } + out: /* Reject non SINGLE data profiles without RST */ if ((map->type & BTRFS_BLOCK_GROUP_DATA) && |