AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

for-4.17-rc3-tag

Browse Source 
-----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEE8rQSAMVO+zA4DBdWxWXV+ddtWDsFAlrsbkEACgkQxWXV+ddt
 WDvm6Q/+KdFKJ7T8hBOc6o5EeULXCDF3FmMA7HvDC696WXKsckXJFKk52awvrSb6
 3wnIzfWmI3K+rwX3cKqLRKe6tMXtBrTjVWXyezfvx1SMcCO4hSQ+nWLqK08htaNf
 h7m3OC3y0xO8QHcFSkvHUov6KRWG3rH+4p46JsJjN7GTBtWmR6tsiyQQ9JMC3gNR
 8Jnl1YaQq/JDLFm8GmFfPqIK+MLnNJ+GOJC1pm2vJQFtjnDw9dic+dI2hGX2oh9M
 SSRAoJu7jUvTWSmQN9aJfbBUr4atzoKKGYsyAgx5qgXbzOnbUGTIhtyAZirRWWBy
 0pT2b/8XuqsIabwR5dR4UbL4Ke1h5DS4c6GFydwO4DeddTovHtDzbN0cPuPQABL1
 rwFzlnHhcM/qRu9SKXx1jRy7w4Vju8fVX9D4lyjLcyk24flkEAn1NlJCWEqSzPYR
 ikTTm71r/1/62XqE6AcOyugS8E6EYtYHo3PjrfFXr3fQCbctTLEaUKoegFkTezbX
 EZLRPy9KNGfuyUyh3eiSypNHZZ9WiT+W42BaLIcpbHJLnqB+A14Z0oZx6aHVhY0T
 VFLL91O//OmUvjpsZ7I99LyswvrzsmU0jKS41GXOQlLsLTxtGhcZbvRt4uX4UUie
 UOQrNCgO0Y2slGfv+uoDCLhH0tTCRziuEvmgu8bjPcfZE7tph+s=
 =Jdmp
 -----END PGP SIGNATURE-----

Merge tag 'for-4.17-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "Two regression fixes and one fix for stable"

* tag 'for-4.17-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  Btrfs: send, fix missing truncate for inode with prealloc extent past eof
  btrfs: Take trans lock before access running trans in check_delayed_ref
  btrfs: Fix wrong first_key parameter in replace_path
This commit is contained in:
Linus Torvalds 2018-05-04 20:32:18 -10:00
commit 4148d3884a
3 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
fs/btrfs/extent-tree.c
View File

@ -3142,7 +3142,11 @@ static noinline int check_delayed_ref(struct btrfs_root *root,
struct rb_node *node;
int ret = 0;
spin_lock(&root->fs_info->trans_lock);
cur_trans = root->fs_info->running_transaction;
if (cur_trans)
refcount_inc(&cur_trans->use_count);
spin_unlock(&root->fs_info->trans_lock);
if (!cur_trans)
return 0;
@ -3151,6 +3155,7 @@ static noinline int check_delayed_ref(struct btrfs_root *root,
head = btrfs_find_delayed_ref_head(delayed_refs, bytenr);
if (!head) {
spin_unlock(&delayed_refs->lock);
btrfs_put_transaction(cur_trans);
return 0;
}
@ -3167,6 +3172,7 @@ static noinline int check_delayed_ref(struct btrfs_root *root,
mutex_lock(&head->mutex);
mutex_unlock(&head->mutex);
btrfs_put_delayed_ref_head(head);
btrfs_put_transaction(cur_trans);
return -EAGAIN;
}
spin_unlock(&delayed_refs->lock);
@ -3199,6 +3205,7 @@ static noinline int check_delayed_ref(struct btrfs_root *root,
}
spin_unlock(&head->lock);
mutex_unlock(&head->mutex);
btrfs_put_transaction(cur_trans);
return ret;
}

2
fs/btrfs/relocation.c
View File

@ -1841,7 +1841,7 @@ int replace_path(struct btrfs_trans_handle *trans,
old_bytenr = btrfs_node_blockptr(parent, slot);
blocksize = fs_info->nodesize;
old_ptr_gen = btrfs_node_ptr_generation(parent, slot);
btrfs_node_key_to_cpu(parent, &key, slot);
btrfs_node_key_to_cpu(parent, &first_key, slot);
if (level <= max_level) {
eb = path->nodes[level];

4
fs/btrfs/send.c
View File

@ -5236,6 +5236,10 @@ static int send_write_or_clone(struct send_ctx *sctx,
len = btrfs_file_extent_num_bytes(path->nodes[0], ei);
}
if (offset >= sctx->cur_inode_size) {
ret = 0;
goto out;
}
if (offset + len > sctx->cur_inode_size)
len = sctx->cur_inode_size - offset;
if (len == 0) {