diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2014-02-20 11:55:12 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-02-20 11:55:12 +0100 |
| commit | bf5f48339a019c9b4b42284c3f45d58942cbda27 (patch) | |
| tree | 79976135166ffbdaf4ccb91bcadb17ddb551f060 /fs/xfs/xfs_file.c | |
| parent | d85dad75566674ca8012715ac00a84ced3697972 (diff) | |
| parent | 35582ad9d342025653aaf28ed321bf5352488d7f (diff) | |
Merge remote-tracking branch 'wireless-next/master' into mac80211-next
Diffstat (limited to 'fs/xfs/xfs_file.c')
| -rw-r--r-- | fs/xfs/xfs_file.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index e0012159263..64b48eade91 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -261,7 +261,8 @@ xfs_file_aio_read( xfs_buftarg_t *target = XFS_IS_REALTIME_INODE(ip) ? mp->m_rtdev_targp : mp->m_ddev_targp; - if ((pos & target->bt_smask) || (size & target->bt_smask)) { + /* DIO must be aligned to device logical sector size */ + if ((pos | size) & target->bt_logical_sectormask) { if (pos == i_size_read(inode)) return 0; return -XFS_ERROR(EINVAL); @@ -641,9 +642,11 @@ xfs_file_dio_aio_write( struct xfs_buftarg *target = XFS_IS_REALTIME_INODE(ip) ? mp->m_rtdev_targp : mp->m_ddev_targp; - if ((pos & target->bt_smask) || (count & target->bt_smask)) + /* DIO must be aligned to device logical sector size */ + if ((pos | count) & target->bt_logical_sectormask) return -XFS_ERROR(EINVAL); + /* "unaligned" here means not aligned to a filesystem block */ if ((pos & mp->m_blockmask) || ((pos + count) & mp->m_blockmask)) unaligned_io = 1; @@ -796,7 +799,7 @@ xfs_file_aio_write( XFS_STATS_ADD(xs_write_bytes, ret); /* Handle various SYNC-type writes */ - err = generic_write_sync(file, pos, ret); + err = generic_write_sync(file, iocb->ki_pos - ret, ret); if (err < 0) ret = err; } |