diff options
| -rw-r--r-- | fs/cifs/inode.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 24df13a256e..03ade0f972b 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1139,15 +1139,17 @@ int cifs_vmtruncate(struct inode * inode, loff_t offset) struct address_space *mapping = inode->i_mapping; unsigned long limit; + spin_lock(&inode->i_lock); if (inode->i_size < offset) goto do_expand; /* * truncation of in-use swapfiles is disallowed - it would cause * subsequent swapout to scribble on the now-freed blocks. */ - if (IS_SWAPFILE(inode)) + if (IS_SWAPFILE(inode)) { + spin_unlock(&inode->i_lock); goto out_busy; - spin_lock(&inode->i_lock); + } i_size_write(inode, offset); spin_unlock(&inode->i_lock); unmap_mapping_range(mapping, offset + PAGE_SIZE - 1, 0, 1); @@ -1156,12 +1158,16 @@ int cifs_vmtruncate(struct inode * inode, loff_t offset) do_expand: limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur; - if (limit != RLIM_INFINITY && offset > limit) + if (limit != RLIM_INFINITY && offset > limit) { + spin_unlock(&inode->i_lock); goto out_sig; - if (offset > inode->i_sb->s_maxbytes) + } + if (offset > inode->i_sb->s_maxbytes) { + spin_unlock(&inode->i_lock); goto out_big; + } i_size_write(inode, offset); - + spin_unlock(&inode->i_lock); out_truncate: if (inode->i_op && inode->i_op->truncate) inode->i_op->truncate(inode); |