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-rw-r--r--fs/btrfs/acl.c13
-rw-r--r--fs/btrfs/extent-tree.c7
-rw-r--r--fs/btrfs/inode.c36
-rw-r--r--fs/btrfs/ioctl.c6
-rw-r--r--fs/btrfs/relocation.c2
-rw-r--r--fs/btrfs/send.c5
-rw-r--r--fs/btrfs/super.c2
-rw-r--r--fs/btrfs/tree-log.c13
-rw-r--r--fs/btrfs/volumes.c2
9 files changed, 61 insertions, 25 deletions
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 247b8df..8d8370d 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -78,12 +78,6 @@ static int __btrfs_set_acl(struct btrfs_trans_handle *trans,
switch (type) {
case ACL_TYPE_ACCESS:
name = XATTR_NAME_POSIX_ACL_ACCESS;
- if (acl) {
- ret = posix_acl_update_mode(inode, &inode->i_mode, &acl);
- if (ret)
- return ret;
- }
- ret = 0;
break;
case ACL_TYPE_DEFAULT:
if (!S_ISDIR(inode->i_mode))
@@ -119,6 +113,13 @@ out:
int btrfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
+ int ret;
+
+ if (type == ACL_TYPE_ACCESS && acl) {
+ ret = posix_acl_update_mode(inode, &inode->i_mode, &acl);
+ if (ret)
+ return ret;
+ }
return __btrfs_set_acl(NULL, inode, acl, type);
}
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index e46e7fb..705bb5f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4759,10 +4759,6 @@ skip_async:
else
flush = BTRFS_RESERVE_NO_FLUSH;
spin_lock(&space_info->lock);
- if (can_overcommit(root, space_info, orig, flush)) {
- spin_unlock(&space_info->lock);
- break;
- }
if (list_empty(&space_info->tickets) &&
list_empty(&space_info->priority_tickets)) {
spin_unlock(&space_info->lock);
@@ -7401,7 +7397,8 @@ btrfs_lock_cluster(struct btrfs_block_group_cache *block_group,
spin_unlock(&cluster->refill_lock);
- down_read(&used_bg->data_rwsem);
+ /* We should only have one-level nested. */
+ down_read_nested(&used_bg->data_rwsem, SINGLE_DEPTH_NESTING);
spin_lock(&cluster->refill_lock);
if (used_bg == cluster->block_group)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index bddbae7..f089d7d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4480,8 +4480,19 @@ search_again:
if (found_type > min_type) {
del_item = 1;
} else {
- if (item_end < new_size)
+ if (item_end < new_size) {
+ /*
+ * With NO_HOLES mode, for the following mapping
+ *
+ * [0-4k][hole][8k-12k]
+ *
+ * if truncating isize down to 6k, it ends up
+ * isize being 8k.
+ */
+ if (btrfs_fs_incompat(root->fs_info, NO_HOLES))
+ last_size = new_size;
break;
+ }
if (found_key.offset >= new_size)
del_item = 1;
else
@@ -7235,7 +7246,6 @@ static struct extent_map *btrfs_create_dio_extent(struct inode *inode,
struct extent_map *em = NULL;
int ret;
- down_read(&BTRFS_I(inode)->dio_sem);
if (type != BTRFS_ORDERED_NOCOW) {
em = create_pinned_em(inode, start, len, orig_start,
block_start, block_len, orig_block_len,
@@ -7254,7 +7264,6 @@ static struct extent_map *btrfs_create_dio_extent(struct inode *inode,
em = ERR_PTR(ret);
}
out:
- up_read(&BTRFS_I(inode)->dio_sem);
return em;
}
@@ -7639,11 +7648,18 @@ static void adjust_dio_outstanding_extents(struct inode *inode,
* within our reservation, otherwise we need to adjust our inode
* counter appropriately.
*/
- if (dio_data->outstanding_extents) {
+ if (dio_data->outstanding_extents >= num_extents) {
dio_data->outstanding_extents -= num_extents;
} else {
+ /*
+ * If dio write length has been split due to no large enough
+ * contiguous space, we need to compensate our inode counter
+ * appropriately.
+ */
+ u64 num_needed = num_extents - dio_data->outstanding_extents;
+
spin_lock(&BTRFS_I(inode)->lock);
- BTRFS_I(inode)->outstanding_extents += num_extents;
+ BTRFS_I(inode)->outstanding_extents += num_needed;
spin_unlock(&BTRFS_I(inode)->lock);
}
}
@@ -8034,8 +8050,10 @@ next_block_or_try_again:
start += sectorsize;
- if (nr_sectors--) {
+ nr_sectors--;
+ if (nr_sectors) {
pgoff += sectorsize;
+ ASSERT(pgoff < PAGE_SIZE);
goto next_block_or_try_again;
}
}
@@ -8141,8 +8159,10 @@ next:
ASSERT(nr_sectors);
- if (--nr_sectors) {
+ nr_sectors--;
+ if (nr_sectors) {
pgoff += sectorsize;
+ ASSERT(pgoff < PAGE_SIZE);
goto next_block;
}
}
@@ -8707,6 +8727,7 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
dio_data.unsubmitted_oe_range_start = (u64)offset;
dio_data.unsubmitted_oe_range_end = (u64)offset;
current->journal_info = &dio_data;
+ down_read(&BTRFS_I(inode)->dio_sem);
} else if (test_bit(BTRFS_INODE_READDIO_NEED_LOCK,
&BTRFS_I(inode)->runtime_flags)) {
inode_dio_end(inode);
@@ -8719,6 +8740,7 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
iter, btrfs_get_blocks_direct, NULL,
btrfs_submit_direct, flags);
if (iov_iter_rw(iter) == WRITE) {
+ up_read(&BTRFS_I(inode)->dio_sem);
current->journal_info = NULL;
if (ret < 0 && ret != -EIOCBQUEUED) {
if (dio_data.reserve)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 1782804..0fe346c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3052,7 +3052,7 @@ static int btrfs_cmp_data_prepare(struct inode *src, u64 loff,
out:
if (ret)
btrfs_cmp_data_free(cmp);
- return 0;
+ return ret;
}
static int btrfs_cmp_data(struct inode *src, u64 loff, struct inode *dst,
@@ -4082,6 +4082,10 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp)
ret = PTR_ERR(new_root);
goto out;
}
+ if (!is_fstree(new_root->objectid)) {
+ ret = -ENOENT;
+ goto out;
+ }
path = btrfs_alloc_path();
if (!path) {
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 2cf5e14..04c61bc 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2367,11 +2367,11 @@ void free_reloc_roots(struct list_head *list)
while (!list_empty(list)) {
reloc_root = list_entry(list->next, struct btrfs_root,
root_list);
+ __del_reloc_root(reloc_root);
free_extent_buffer(reloc_root->node);
free_extent_buffer(reloc_root->commit_root);
reloc_root->node = NULL;
reloc_root->commit_root = NULL;
- __del_reloc_root(reloc_root);
}
}
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 71261b4..77f9efc 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1680,6 +1680,9 @@ static int is_inode_existent(struct send_ctx *sctx, u64 ino, u64 gen)
{
int ret;
+ if (ino == BTRFS_FIRST_FREE_OBJECTID)
+ return 1;
+
ret = get_cur_inode_state(sctx, ino, gen);
if (ret < 0)
goto out;
@@ -1865,7 +1868,7 @@ static int will_overwrite_ref(struct send_ctx *sctx, u64 dir, u64 dir_gen,
* not deleted and then re-created, if it was then we have no overwrite
* and we can just unlink this entry.
*/
- if (sctx->parent_root) {
+ if (sctx->parent_root && dir != BTRFS_FIRST_FREE_OBJECTID) {
ret = get_inode_info(sctx->parent_root, dir, NULL, &gen, NULL,
NULL, NULL, NULL);
if (ret < 0 && ret != -ENOENT)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 74ed5aa..f6e1119 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1834,6 +1834,8 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
goto restore;
}
+ btrfs_qgroup_rescan_resume(fs_info);
+
if (!fs_info->uuid_root) {
btrfs_info(fs_info, "creating UUID tree");
ret = btrfs_create_uuid_tree(fs_info);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index b890045..309313b 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -37,6 +37,7 @@
*/
#define LOG_INODE_ALL 0
#define LOG_INODE_EXISTS 1
+#define LOG_OTHER_INODE 2
/*
* directory trouble cases
@@ -4623,7 +4624,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
if (S_ISDIR(inode->i_mode) ||
(!test_bit(BTRFS_INODE_NEEDS_FULL_SYNC,
&BTRFS_I(inode)->runtime_flags) &&
- inode_only == LOG_INODE_EXISTS))
+ inode_only >= LOG_INODE_EXISTS))
max_key.type = BTRFS_XATTR_ITEM_KEY;
else
max_key.type = (u8)-1;
@@ -4647,7 +4648,13 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
return ret;
}
- mutex_lock(&BTRFS_I(inode)->log_mutex);
+ if (inode_only == LOG_OTHER_INODE) {
+ inode_only = LOG_INODE_EXISTS;
+ mutex_lock_nested(&BTRFS_I(inode)->log_mutex,
+ SINGLE_DEPTH_NESTING);
+ } else {
+ mutex_lock(&BTRFS_I(inode)->log_mutex);
+ }
/*
* a brute force approach to making sure we get the most uptodate
@@ -4799,7 +4806,7 @@ again:
* unpin it.
*/
err = btrfs_log_inode(trans, root, other_inode,
- LOG_INODE_EXISTS,
+ LOG_OTHER_INODE,
0, LLONG_MAX, ctx);
iput(other_inode);
if (err)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 71a60cc..06a77e4 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6226,7 +6226,7 @@ int btrfs_map_bio(struct btrfs_root *root, struct bio *bio,
for (dev_nr = 0; dev_nr < total_devs; dev_nr++) {
dev = bbio->stripes[dev_nr].dev;
if (!dev || !dev->bdev ||
- (bio_op(bio) == REQ_OP_WRITE && !dev->writeable)) {
+ (bio_op(first_bio) == REQ_OP_WRITE && !dev->writeable)) {
bbio_error(bbio, first_bio, logical);
continue;
}