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authorJosef Bacik <jbacik@fusionio.com>2012-10-22 15:43:12 -0400
committerChris Mason <chris.mason@fusionio.com>2012-10-25 15:50:18 -0400
commitbe6aef604920406b348acf3be6e6e8db55696386 (patch)
tree2d458852fafacb2bad7788311b10b879ba920f40 /fs
parente2d044fe77f8e845333bb1bd29587dc08a4346a0 (diff)
Btrfs: Use btrfs_update_inode_fallback when creating a snapshot
On a really full file system I was getting ENOSPC back from btrfs_update_inode when trying to update the parent inode when creating a snapshot. Just use the fallback method so we can update the inode and not have to worry about having a delayed ref. Thanks, Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/ctree.h2
-rw-r--r--fs/btrfs/inode.c7
-rw-r--r--fs/btrfs/transaction.c2
3 files changed, 6 insertions, 5 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 1630be831210..8a92ab1632a2 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3338,6 +3338,8 @@ struct extent_map *btrfs_get_extent(struct inode *inode, struct page *page,
int btrfs_update_inode(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
struct inode *inode);
+int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root, struct inode *inode);
int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode);
int btrfs_orphan_del(struct btrfs_trans_handle *trans, struct inode *inode);
int btrfs_orphan_cleanup(struct btrfs_root *root);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f92def2467a6..5fc09908f20f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -94,8 +94,6 @@ static noinline int cow_file_range(struct inode *inode,
struct page *locked_page,
u64 start, u64 end, int *page_started,
unsigned long *nr_written, int unlock);
-static noinline int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, struct inode *inode);
static int btrfs_init_inode_security(struct btrfs_trans_handle *trans,
struct inode *inode, struct inode *dir,
@@ -2746,8 +2744,9 @@ noinline int btrfs_update_inode(struct btrfs_trans_handle *trans,
return btrfs_update_inode_item(trans, root, inode);
}
-static noinline int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
- struct btrfs_root *root, struct inode *inode)
+noinline int btrfs_update_inode_fallback(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root,
+ struct inode *inode)
{
int ret;
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 77db875b5116..04bbfb1052eb 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1200,7 +1200,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
btrfs_i_size_write(parent_inode, parent_inode->i_size +
dentry->d_name.len * 2);
parent_inode->i_mtime = parent_inode->i_ctime = CURRENT_TIME;
- ret = btrfs_update_inode(trans, parent_root, parent_inode);
+ ret = btrfs_update_inode_fallback(trans, parent_root, parent_inode);
if (ret)
btrfs_abort_transaction(trans, root, ret);
fail: