diff options
| -rw-r--r-- | fs/gfs2/file.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index c486b702e00f..3e718cfc19a7 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -1013,6 +1013,7 @@ static ssize_t gfs2_file_buffered_write(struct kiocb *iocb, struct gfs2_sbd *sdp = GFS2_SB(inode); struct gfs2_holder *statfs_gh = NULL; size_t prev_count = 0, window_size = 0; + size_t orig_count = iov_iter_count(from); size_t read = 0; ssize_t ret; @@ -1057,6 +1058,7 @@ retry_under_glock: if (inode == sdp->sd_rindex) gfs2_glock_dq_uninit(statfs_gh); + from->count = orig_count - read; if (should_fault_in_pages(ret, from, &prev_count, &window_size)) { size_t leftover; @@ -1064,6 +1066,7 @@ retry_under_glock: leftover = fault_in_iov_iter_readable(from, window_size); gfs2_holder_disallow_demote(gh); if (leftover != window_size) { + from->count = min(from->count, window_size - leftover); if (!gfs2_holder_queued(gh)) { if (read) goto out_uninit; |