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authorDavid S. Miller <davem@davemloft.net>2009-03-01 21:35:16 -0800
committerDavid S. Miller <davem@davemloft.net>2009-03-01 21:35:16 -0800
commitaa4abc9bcce0d2a7ec189e897f8f8c58ca04643b (patch)
tree22ef88d84a2e06380bb6a853c3ba28657e4e5f92 /fs/btrfs/file.c
parent814c01dc7c533033b4e99981a2e24a6195bfb43c (diff)
parent52c0326beaa3cb0049d0f1c51c6ad5d4a04e4430 (diff)
downloadop-kernel-dev-aa4abc9bcce0d2a7ec189e897f8f8c58ca04643b.zip
op-kernel-dev-aa4abc9bcce0d2a7ec189e897f8f8c58ca04643b.tar.gz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/wireless/iwlwifi/iwl-tx.c net/8021q/vlan_core.c net/core/dev.c
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r--fs/btrfs/file.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 872f104..dc78954 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1091,19 +1091,24 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
WARN_ON(num_pages > nrptrs);
memset(pages, 0, sizeof(struct page *) * nrptrs);
- ret = btrfs_check_free_space(root, write_bytes, 0);
+ ret = btrfs_check_data_free_space(root, inode, write_bytes);
if (ret)
goto out;
ret = prepare_pages(root, file, pages, num_pages,
pos, first_index, last_index,
write_bytes);
- if (ret)
+ if (ret) {
+ btrfs_free_reserved_data_space(root, inode,
+ write_bytes);
goto out;
+ }
ret = btrfs_copy_from_user(pos, num_pages,
write_bytes, pages, buf);
if (ret) {
+ btrfs_free_reserved_data_space(root, inode,
+ write_bytes);
btrfs_drop_pages(pages, num_pages);
goto out;
}
@@ -1111,8 +1116,11 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
ret = dirty_and_release_pages(NULL, root, file, pages,
num_pages, pos, write_bytes);
btrfs_drop_pages(pages, num_pages);
- if (ret)
+ if (ret) {
+ btrfs_free_reserved_data_space(root, inode,
+ write_bytes);
goto out;
+ }
if (will_write) {
btrfs_fdatawrite_range(inode->i_mapping, pos,
@@ -1136,6 +1144,8 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf,
}
out:
mutex_unlock(&inode->i_mutex);
+ if (ret)
+ err = ret;
out_nolock:
kfree(pages);
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