diff options
Diffstat (limited to 'fs/gfs2/file.c')
| -rw-r--r-- | fs/gfs2/file.c | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index 247b8d95b5ef..eb5ea0262f3c 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -858,9 +858,9 @@ retry_under_glock: leftover = fault_in_iov_iter_writeable(to, window_size); gfs2_holder_disallow_demote(gh); if (leftover != window_size) { - if (!gfs2_holder_queued(gh)) - goto retry; - goto retry_under_glock; + if (gfs2_holder_queued(gh)) + goto retry_under_glock; + goto retry; } } if (gfs2_holder_queued(gh)) @@ -927,9 +927,9 @@ retry_under_glock: leftover = fault_in_iov_iter_readable(from, window_size); gfs2_holder_disallow_demote(gh); if (leftover != window_size) { - if (!gfs2_holder_queued(gh)) - goto retry; - goto retry_under_glock; + if (gfs2_holder_queued(gh)) + goto retry_under_glock; + goto retry; } } out: @@ -996,12 +996,9 @@ retry_under_glock: leftover = fault_in_iov_iter_writeable(to, window_size); gfs2_holder_disallow_demote(&gh); if (leftover != window_size) { - if (!gfs2_holder_queued(&gh)) { - if (written) - goto out_uninit; - goto retry; - } - goto retry_under_glock; + if (gfs2_holder_queued(&gh)) + goto retry_under_glock; + goto retry; } } if (gfs2_holder_queued(&gh)) @@ -1021,6 +1018,7 @@ 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; @@ -1065,6 +1063,7 @@ 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; @@ -1072,12 +1071,10 @@ retry_under_glock: leftover = fault_in_iov_iter_readable(from, window_size); gfs2_holder_disallow_demote(gh); if (leftover != window_size) { - if (!gfs2_holder_queued(gh)) { - if (read) - goto out_uninit; - goto retry; - } - goto retry_under_glock; + from->count = min(from->count, window_size - leftover); + if (gfs2_holder_queued(gh)) + goto retry_under_glock; + goto retry; } } out_unlock: |