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btrfs: convert pr_* to btrfs_* where possible

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For many printks, we want to know which file system issued the message.

This patch converts most pr_* calls to use the btrfs_* versions instead.
In some cases, this means adding plumbing to allow call sites access to
an fs_info pointer.

fs/btrfs/check-integrity.c is left alone for another day.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney
2016-09-20 10:05:02 -04:00
committed by David Sterba
parent 62e855771d
commit ab8d0fc48d
20 changed files with 231 additions and 177 deletions
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66
fs/btrfs/extent-tree.c
View File

@@ -87,7 +87,8 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans,
int force);
static int find_next_key(struct btrfs_path *path, int level,
struct btrfs_key *key);
static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
static void dump_space_info(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *info, u64 bytes,
int dump_block_groups);
static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache,
u64 ram_bytes, u64 num_bytes, int delalloc);
@@ -266,9 +267,8 @@ static int exclude_super_stripes(struct btrfs_root *root,
for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) {
bytenr = btrfs_sb_offset(i);
ret = btrfs_rmap_block(&root->fs_info->mapping_tree,
cache->key.objectid, bytenr,
0, &logical, &nr, &stripe_len);
ret = btrfs_rmap_block(root->fs_info, cache->key.objectid,
bytenr, 0, &logical, &nr, &stripe_len);
if (ret)
return ret;
@@ -4432,7 +4432,7 @@ void check_system_chunk(struct btrfs_trans_handle *trans,
if (left < thresh && btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) {
btrfs_info(root->fs_info, "left=%llu, need=%llu, flags=%llu",
left, thresh, type);
dump_space_info(info, 0, 0);
dump_space_info(root->fs_info, info, 0, 0);
}
if (left < thresh) {
@@ -7907,22 +7907,24 @@ out:
return ret;
}
static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
static void dump_space_info(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *info, u64 bytes,
int dump_block_groups)
{
struct btrfs_block_group_cache *cache;
int index = 0;
spin_lock(&info->lock);
pr_info("BTRFS: space_info %llu has %llu free, is %sfull\n",
info->flags,
info->total_bytes - info->bytes_used - info->bytes_pinned -
info->bytes_reserved - info->bytes_readonly -
info->bytes_may_use, (info->full) ? "" : "not ");
pr_info("BTRFS: space_info total=%llu, used=%llu, pinned=%llu, reserved=%llu, may_use=%llu, readonly=%llu\n",
info->total_bytes, info->bytes_used, info->bytes_pinned,
info->bytes_reserved, info->bytes_may_use,
info->bytes_readonly);
btrfs_info(fs_info, "space_info %llu has %llu free, is %sfull",
info->flags,
info->total_bytes - info->bytes_used - info->bytes_pinned -
info->bytes_reserved - info->bytes_readonly -
info->bytes_may_use, (info->full) ? "" : "not ");
btrfs_info(fs_info,
"space_info total=%llu, used=%llu, pinned=%llu, reserved=%llu, may_use=%llu, readonly=%llu",
info->total_bytes, info->bytes_used, info->bytes_pinned,
info->bytes_reserved, info->bytes_may_use,
info->bytes_readonly);
spin_unlock(&info->lock);
if (!dump_block_groups)
@@ -7932,10 +7934,11 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes,
again:
list_for_each_entry(cache, &info->block_groups[index], list) {
spin_lock(&cache->lock);
pr_info("BTRFS: block group %llu has %llu bytes, %llu used %llu pinned %llu reserved %s\n",
cache->key.objectid, cache->key.offset,
btrfs_block_group_used(&cache->item), cache->pinned,
cache->reserved, cache->ro ? "[readonly]" : "");
btrfs_info(fs_info,
"block group %llu has %llu bytes, %llu used %llu pinned %llu reserved %s",
cache->key.objectid, cache->key.offset,
btrfs_block_group_used(&cache->item), cache->pinned,
cache->reserved, cache->ro ? "[readonly]" : "");
btrfs_dump_free_space(cache, bytes);
spin_unlock(&cache->lock);
}
@@ -7949,6 +7952,7 @@ int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes,
u64 empty_size, u64 hint_byte,
struct btrfs_key *ins, int is_data, int delalloc)
{
struct btrfs_fs_info *fs_info = root->fs_info;
bool final_tried = num_bytes == min_alloc_size;
u64 flags;
int ret;
@@ -7959,8 +7963,7 @@ again:
ret = find_free_extent(root, ram_bytes, num_bytes, empty_size,
hint_byte, ins, flags, delalloc);
if (!ret && !is_data) {
btrfs_dec_block_group_reservations(root->fs_info,
ins->objectid);
btrfs_dec_block_group_reservations(fs_info, ins->objectid);
} else if (ret == -ENOSPC) {
if (!final_tried && ins->offset) {
num_bytes = min(num_bytes >> 1, ins->offset);
@@ -7970,15 +7973,15 @@ again:
if (num_bytes == min_alloc_size)
final_tried = true;
goto again;
} else if (btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) {
} else if (btrfs_test_opt(fs_info, ENOSPC_DEBUG)) {
struct btrfs_space_info *sinfo;
sinfo = __find_space_info(root->fs_info, flags);
sinfo = __find_space_info(fs_info, flags);
btrfs_err(root->fs_info,
"allocation failed flags %llu, wanted %llu",
flags, num_bytes);
if (sinfo)
dump_space_info(sinfo, num_bytes, 1);
dump_space_info(fs_info, sinfo, num_bytes, 1);
}
}
@@ -9178,9 +9181,10 @@ int btrfs_drop_snapshot(struct btrfs_root *root,
struct btrfs_block_rsv *block_rsv, int update_ref,
int for_reloc)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_path *path;
struct btrfs_trans_handle *trans;
struct btrfs_root *tree_root = root->fs_info->tree_root;
struct btrfs_root *tree_root = fs_info->tree_root;
struct btrfs_root_item *root_item = &root->root_item;
struct walk_control *wc;
struct btrfs_key key;
@@ -9189,7 +9193,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root,
int level;
bool root_dropped = false;
btrfs_debug(root->fs_info, "Drop subvolume %llu", root->objectid);
btrfs_debug(fs_info, "Drop subvolume %llu", root->objectid);
path = btrfs_alloc_path();
if (!path) {
@@ -9318,7 +9322,8 @@ int btrfs_drop_snapshot(struct btrfs_root *root,
btrfs_end_transaction_throttle(trans, tree_root);
if (!for_reloc && btrfs_need_cleaner_sleep(root)) {
pr_debug("BTRFS: drop snapshot early exit\n");
btrfs_debug(fs_info,
"drop snapshot early exit");
err = -EAGAIN;
goto out_free;
}
@@ -9384,7 +9389,7 @@ out:
if (!for_reloc && root_dropped == false)
btrfs_add_dead_root(root);
if (err && err != -EAGAIN)
btrfs_handle_fs_error(root->fs_info, err, NULL);
btrfs_handle_fs_error(fs_info, err, NULL);
return err;
}
@@ -10018,7 +10023,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
if (WARN_ON(space_info->bytes_pinned > 0 ||
space_info->bytes_reserved > 0 ||
space_info->bytes_may_use > 0))
dump_space_info(space_info, 0, 0);
dump_space_info(info, space_info, 0, 0);
list_del(&space_info->list);
for (i = 0; i < BTRFS_NR_RAID_TYPES; i++) {
struct kobject *kobj;
@@ -10067,7 +10072,8 @@ static void __link_block_group(struct btrfs_space_info *space_info,
return;
out_err:
pr_warn("BTRFS: failed to add kobject for block cache. ignoring.\n");
btrfs_warn(cache->fs_info,
"failed to add kobject for block cache, ignoring");
}
static struct btrfs_block_group_cache *