nfsd race fixes: ext3
ext3 analog of the previous patch
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 3e5edc9..297ea8d 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1652,9 +1652,11 @@
if (!err) {
ext3_mark_inode_dirty(handle, inode);
d_instantiate(dentry, inode);
+ unlock_new_inode(inode);
return 0;
}
drop_nlink(inode);
+ unlock_new_inode(inode);
iput(inode);
return err;
}
@@ -1765,6 +1767,7 @@
dir_block = ext3_bread (handle, inode, 0, 1, &err);
if (!dir_block) {
drop_nlink(inode); /* is this nlink == 0? */
+ unlock_new_inode(inode);
ext3_mark_inode_dirty(handle, inode);
iput (inode);
goto out_stop;
@@ -1792,6 +1795,7 @@
err = ext3_add_entry (handle, dentry, inode);
if (err) {
inode->i_nlink = 0;
+ unlock_new_inode(inode);
ext3_mark_inode_dirty(handle, inode);
iput (inode);
goto out_stop;
@@ -1800,6 +1804,7 @@
ext3_update_dx_flag(dir);
ext3_mark_inode_dirty(handle, dir);
d_instantiate(dentry, inode);
+ unlock_new_inode(inode);
out_stop:
ext3_journal_stop(handle);
if (err == -ENOSPC && ext3_should_retry_alloc(dir->i_sb, &retries))
@@ -2174,6 +2179,7 @@
mapping_gfp_mask(inode->i_mapping) & ~__GFP_FS);
if (err) {
drop_nlink(inode);
+ unlock_new_inode(inode);
ext3_mark_inode_dirty(handle, inode);
iput (inode);
goto out_stop;
@@ -2221,7 +2227,14 @@
inc_nlink(inode);
atomic_inc(&inode->i_count);
- err = ext3_add_nondir(handle, dentry, inode);
+ err = ext3_add_entry(handle, dentry, inode);
+ if (!err) {
+ ext3_mark_inode_dirty(handle, inode);
+ d_instantiate(dentry, inode);
+ } else {
+ drop_nlink(inode);
+ iput(inode);
+ }
ext3_journal_stop(handle);
if (err == -ENOSPC && ext3_should_retry_alloc(dir->i_sb, &retries))
goto retry;