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authorMark Fasheh <mfasheh@suse.com>2011-07-12 20:25:31 +0200
committerMark Fasheh <mfasheh@suse.com>2011-07-14 23:14:45 +0200
commit1748f843a0190ef4332d03a64263f383af72682b (patch)
treecf577aabbd13a639e2fdf4e6edb017f2276aa9c4 /fs
parentbtrfs: Don't BUG_ON alloc_path errors in btrfs_truncate_inode_items (diff)
downloadlinux-1748f843a0190ef4332d03a64263f383af72682b.tar.xz
linux-1748f843a0190ef4332d03a64263f383af72682b.zip
btrfs: Don't BUG_ON alloc_path errors in btrfs_read_locked_inode
btrfs_iget() also needed an update so that errors from btrfs_locked_inode() are caught and bubbled back up. Signed-off-by: Mark Fasheh <mfasheh@suse.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/inode.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index a0faf7d7f0e0..88829993db6c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2518,7 +2518,9 @@ static void btrfs_read_locked_inode(struct inode *inode)
filled = true;
path = btrfs_alloc_path();
- BUG_ON(!path);
+ if (!path)
+ goto make_bad;
+
path->leave_spinning = 1;
memcpy(&location, &BTRFS_I(inode)->location, sizeof(location));
@@ -3973,6 +3975,7 @@ struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
struct btrfs_root *root, int *new)
{
struct inode *inode;
+ int bad_inode = 0;
inode = btrfs_iget_locked(s, location->objectid, root);
if (!inode)
@@ -3982,10 +3985,19 @@ struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
BTRFS_I(inode)->root = root;
memcpy(&BTRFS_I(inode)->location, location, sizeof(*location));
btrfs_read_locked_inode(inode);
- inode_tree_add(inode);
- unlock_new_inode(inode);
- if (new)
- *new = 1;
+ if (!is_bad_inode(inode)) {
+ inode_tree_add(inode);
+ unlock_new_inode(inode);
+ if (new)
+ *new = 1;
+ } else {
+ bad_inode = 1;
+ }
+ }
+
+ if (bad_inode) {
+ iput(inode);
+ inode = ERR_PTR(-ESTALE);
}
return inode;