diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_lrw.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_lrw.c | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index e0ab45fbfeb..0169360475c 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -83,7 +83,7 @@ xfs_rw_enter_trace( (void *)((unsigned long)ioflags), (void *)((unsigned long)((io->io_new_size >> 32) & 0xffffffff)), (void *)((unsigned long)(io->io_new_size & 0xffffffff)), - (void *)NULL, + (void *)((unsigned long)current_pid()), (void *)NULL, (void *)NULL, (void *)NULL, @@ -113,7 +113,7 @@ xfs_inval_cached_trace( (void *)((unsigned long)(first & 0xffffffff)), (void *)((unsigned long)((last >> 32) & 0xffffffff)), (void *)((unsigned long)(last & 0xffffffff)), - (void *)NULL, + (void *)((unsigned long)current_pid()), (void *)NULL, (void *)NULL, (void *)NULL, @@ -249,9 +249,8 @@ xfs_read( if (n < size) size = n; - if (XFS_FORCED_SHUTDOWN(mp)) { + if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; - } if (unlikely(ioflags & IO_ISDIRECT)) mutex_lock(&inode->i_mutex); @@ -267,10 +266,14 @@ xfs_read( dmflags, &locktype); if (ret) { xfs_iunlock(ip, XFS_IOLOCK_SHARED); - goto unlock_isem; + goto unlock_mutex; } } + if (unlikely((ioflags & IO_ISDIRECT) && VN_CACHED(vp))) + VOP_FLUSHINVAL_PAGES(vp, ctooff(offtoct(*offset)), + -1, FI_REMAPF_LOCKED); + xfs_rw_enter_trace(XFS_READ_ENTER, &ip->i_iocore, (void *)iovp, segs, *offset, ioflags); ret = __generic_file_aio_read(iocb, iovp, segs, offset); @@ -281,7 +284,7 @@ xfs_read( xfs_iunlock(ip, XFS_IOLOCK_SHARED); -unlock_isem: +unlock_mutex: if (unlikely(ioflags & IO_ISDIRECT)) mutex_unlock(&inode->i_mutex); return ret; @@ -432,7 +435,7 @@ xfs_zero_eof( xfs_fsize_t isize, /* current inode size */ xfs_fsize_t end_size) /* terminal inode size */ { - struct inode *ip = LINVFS_GET_IP(vp); + struct inode *ip = vn_to_inode(vp); xfs_fileoff_t start_zero_fsb; xfs_fileoff_t end_zero_fsb; xfs_fileoff_t zero_count_fsb; @@ -573,7 +576,7 @@ xfs_write( vrwlock_t locktype; size_t ocount = 0, count; loff_t pos; - int need_isem = 1, need_flush = 0; + int need_i_mutex = 1, need_flush = 0; XFS_STATS_INC(xs_write_calls); @@ -622,14 +625,14 @@ xfs_write( return XFS_ERROR(-EINVAL); if (!VN_CACHED(vp) && pos < i_size_read(inode)) - need_isem = 0; + need_i_mutex = 0; if (VN_CACHED(vp)) need_flush = 1; } relock: - if (need_isem) { + if (need_i_mutex) { iolock = XFS_IOLOCK_EXCL; locktype = VRWLOCK_WRITE; @@ -651,7 +654,7 @@ start: S_ISBLK(inode->i_mode)); if (error) { xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock); - goto out_unlock_isem; + goto out_unlock_mutex; } new_size = pos + count; @@ -663,7 +666,7 @@ start: loff_t savedsize = pos; int dmflags = FILP_DELAY_FLAG(file); - if (need_isem) + if (need_i_mutex) dmflags |= DM_FLAGS_IMUX; xfs_iunlock(xip, XFS_ILOCK_EXCL); @@ -672,7 +675,7 @@ start: dmflags, &locktype); if (error) { xfs_iunlock(xip, iolock); - goto out_unlock_isem; + goto out_unlock_mutex; } xfs_ilock(xip, XFS_ILOCK_EXCL); eventsent = 1; @@ -710,7 +713,7 @@ start: isize, pos + count); if (error) { xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock); - goto out_unlock_isem; + goto out_unlock_mutex; } } xfs_iunlock(xip, XFS_ILOCK_EXCL); @@ -731,7 +734,7 @@ start: error = -remove_suid(file->f_dentry); if (unlikely(error)) { xfs_iunlock(xip, iolock); - goto out_unlock_isem; + goto out_unlock_mutex; } } @@ -747,14 +750,14 @@ retry: -1, FI_REMAPF_LOCKED); } - if (need_isem) { + if (need_i_mutex) { /* demote the lock now the cached pages are gone */ XFS_ILOCK_DEMOTE(mp, io, XFS_IOLOCK_EXCL); mutex_unlock(&inode->i_mutex); iolock = XFS_IOLOCK_SHARED; locktype = VRWLOCK_WRITE_DIRECT; - need_isem = 0; + need_i_mutex = 0; } xfs_rw_enter_trace(XFS_DIOWR_ENTER, io, (void *)iovp, segs, @@ -772,7 +775,7 @@ retry: pos += ret; count -= ret; - need_isem = 1; + need_i_mutex = 1; ioflags &= ~IO_ISDIRECT; xfs_iunlock(xip, iolock); goto relock; @@ -794,14 +797,14 @@ retry: !(ioflags & IO_INVIS)) { xfs_rwunlock(bdp, locktype); - if (need_isem) + if (need_i_mutex) mutex_unlock(&inode->i_mutex); error = XFS_SEND_NAMESP(xip->i_mount, DM_EVENT_NOSPACE, vp, DM_RIGHT_NULL, vp, DM_RIGHT_NULL, NULL, NULL, 0, 0, 0); /* Delay flag intentionally unused */ if (error) goto out_nounlocks; - if (need_isem) + if (need_i_mutex) mutex_lock(&inode->i_mutex); xfs_rwlock(bdp, locktype); pos = xip->i_d.di_size; @@ -905,9 +908,9 @@ retry: if (error) goto out_unlock_internal; } - + xfs_rwunlock(bdp, locktype); - if (need_isem) + if (need_i_mutex) mutex_unlock(&inode->i_mutex); error = sync_page_range(inode, mapping, pos, ret); @@ -918,8 +921,8 @@ retry: out_unlock_internal: xfs_rwunlock(bdp, locktype); - out_unlock_isem: - if (need_isem) + out_unlock_mutex: + if (need_i_mutex) mutex_unlock(&inode->i_mutex); out_nounlocks: return -error; |