Good fix requires optimal implementation of next_extent like it was done in 14516bb or 2d90c160, but this makes patch huge, let's just break the loop when necessery.
https://jira.sw.ru/browse/PSBM-55818 Signed-off-by: Dmitry Monakhov <dmonak...@openvz.org> --- fs/ext4/file.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index c63d937..167e262 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -612,7 +612,17 @@ static loff_t ext4_seek_data(struct file *file, loff_t offset, loff_t maxsize) if (unwritten) break; } - + if (signal_pending(current)) { + mutex_unlock(&inode->i_mutex); + return -EINTR; + } + if (need_resched()) { + mutex_unlock(&inode->i_mutex); + cond_resched(); + mutex_lock(&inode->i_mutex); + isize = inode->i_size; + end = isize >> blkbits; + } last++; dataoff = (loff_t)last << blkbits; } while (last <= end); -- 2.9.3 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
