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authorAl Viro <viro@zeniv.linux.org.uk>2008-12-30 02:02:50 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2008-12-31 18:07:44 -0500
commitc38012daa7ad902a39a4213ba2b3fe50e81157ea (patch)
tree69dd3bdf2efe82f9bee13eaf729df7bf70e89381 /fs/ext3/namei.c
parent41080b5a240113328c607f22b849f653373db0ce (diff)
nfsd race fixes: ext3
ext3 analog of the previous patch Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ext3/namei.c')
-rw-r--r--fs/ext3/namei.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 3e5edc92aa0..297ea8dfac7 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1652,9 +1652,11 @@ static int ext3_add_nondir(handle_t *handle,
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 @@ retry:
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 @@ retry:
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 @@ retry:
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 @@ retry:
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 @@ retry:
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;