diff options
Diffstat (limited to 'fs/reiserfs/file.c')
| -rw-r--r-- | fs/reiserfs/file.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index f3473176c83a..d0c1e865963e 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -1464,13 +1464,11 @@ static ssize_t reiserfs_file_write(struct file *file, /* the file we are going t partially overwritten pages, if needed. And lock the pages, so that nobody else can access these until we are done. We get number of actual blocks needed as a result. */ - blocks_to_allocate = - reiserfs_prepare_file_region_for_write(inode, pos, - num_pages, - write_bytes, - prepared_pages); - if (blocks_to_allocate < 0) { - res = blocks_to_allocate; + res = reiserfs_prepare_file_region_for_write(inode, pos, + num_pages, + write_bytes, + prepared_pages); + if (res < 0) { reiserfs_release_claimed_blocks(inode->i_sb, num_pages << (PAGE_CACHE_SHIFT - @@ -1478,6 +1476,8 @@ static ssize_t reiserfs_file_write(struct file *file, /* the file we are going t break; } + blocks_to_allocate = res; + /* First we correct our estimate of how many blocks we need */ reiserfs_release_claimed_blocks(inode->i_sb, (num_pages << @@ -1532,7 +1532,7 @@ static ssize_t reiserfs_file_write(struct file *file, /* the file we are going t buf += write_bytes; *ppos = pos += write_bytes; count -= write_bytes; - balance_dirty_pages_ratelimited(inode->i_mapping); + balance_dirty_pages_ratelimited_nr(inode->i_mapping, num_pages); } /* this is only true on error */ @@ -1546,10 +1546,10 @@ static ssize_t reiserfs_file_write(struct file *file, /* the file we are going t } } - if ((file->f_flags & O_SYNC) || IS_SYNC(inode)) - res = - generic_osync_inode(inode, file->f_mapping, - OSYNC_METADATA | OSYNC_DATA); + if (likely(res >= 0) && + (unlikely((file->f_flags & O_SYNC) || IS_SYNC(inode)))) + res = generic_osync_inode(inode, file->f_mapping, + OSYNC_METADATA | OSYNC_DATA); mutex_unlock(&inode->i_mutex); reiserfs_async_progress_wait(inode->i_sb); |