From: Li Zefan <lizf@cn.fujitsu.com>
To: Chris Mason <chris.mason@oracle.com>
Cc: "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: [PATCH 03/11] Btrfs: check the return value of io_ctl_init()
Date: Wed, 11 Jan 2012 13:52:37 +0800 [thread overview]
Message-ID: <4F0D23A5.8010705@cn.fujitsu.com> (raw)
In-Reply-To: <4F0D236E.2010306@cn.fujitsu.com>
It can return -ENOMEM.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
---
fs/btrfs/free-space-cache.c | 9 +++++++--
1 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 4e55af3..e4eb222 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -637,7 +637,10 @@ int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
if (!num_entries)
return 0;
- io_ctl_init(&io_ctl, inode, root);
+ ret = io_ctl_init(&io_ctl, inode, root);
+ if (ret)
+ return ret;
+
ret = readahead_cache(inode);
if (ret)
goto out;
@@ -851,7 +854,9 @@ int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
if (!i_size_read(inode))
return -1;
- io_ctl_init(&io_ctl, inode, root);
+ ret = io_ctl_init(&io_ctl, inode, root);
+ if (ret)
+ return -1;
/* Get the cluster for this block_group if it exists */
if (block_group && !list_empty(&block_group->cluster_list))
--
1.7.3.1
next prev parent reply other threads:[~2012-01-11 5:52 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-11 5:51 [PATCH 00/11] Btrfs: some patches for 3.3 Li Zefan
2012-01-11 5:52 ` [PATCH 01/11] Btrfs: add pinned extents to on-disk free space cache correctly Li Zefan
2012-01-11 5:52 ` [PATCH 02/11] Btrfs: avoid possible NULL deref in io_ctl_drop_pages() Li Zefan
2012-01-11 5:52 ` Li Zefan [this message]
2012-01-11 5:52 ` [PATCH 04/11] Btrfs: remove BUG_ON()s in btrfs_ioctl_setflags() Li Zefan
2012-01-11 5:53 ` [PATCH 05/11] Btrfs: reserve metadata space " Li Zefan
2012-01-11 5:53 ` [PATCH 06/11] Btrfs: don't pass a trans handle unnecessarily in volumes.c Li Zefan
2012-01-11 5:53 ` [PATCH 07/11] Btrfs: don't pre-allocate btrfs bio Li Zefan
2012-01-11 5:54 ` [PATCH 08/11] Btrfs: simplfy calculation of stripe length for discard operation Li Zefan
2012-01-11 5:55 ` [PATCH 09/11][RESEND] Btrfs: rewrite btrfs_trim_block_group() Li Zefan
2012-01-11 5:55 ` [PATCH 10/11] Btrfs: update global block_rsv when creating a new block group Li Zefan
2012-01-11 5:55 ` [PATCH 11/11] Btrfs: fix possible deadlock when opening a seed device Li Zefan
2012-01-12 18:01 ` [PATCH 00/11] Btrfs: some patches for 3.3 Chris Mason
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