1 files changed, 20 insertions, 103 deletions

diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 67efe3308980..5d9cfd91ad08 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
@@ -206,7 +204,7 @@ xfs_read(
         xfs_fsize_t             n;
         xfs_inode_t             *ip;
         xfs_mount_t             *mp;
-        vnode_t                 *vp;
+        bhv_vnode_t             *vp;
         unsigned long           seg;
 
         ip = XFS_BHVTOI(bdp);
@@ -258,7 +256,7 @@ xfs_read(
 
         if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ) &&
             !(ioflags & IO_INVIS)) {
-                vrwlock_t locktype = VRWLOCK_READ;
+                bhv_vrwlock_t locktype = VRWLOCK_READ;
                 int dmflags = FILP_DELAY_FLAG(file) | DM_SEM_FLAG_RD(ioflags);
 
                 ret = -XFS_SEND_DATA(mp, DM_EVENT_READ,
@@ -271,7 +269,7 @@ xfs_read(
         }
 
         if (unlikely((ioflags & IO_ISDIRECT) && VN_CACHED(vp)))
-                VOP_FLUSHINVAL_PAGES(vp, ctooff(offtoct(*offset)),
+                bhv_vop_flushinval_pages(vp, ctooff(offtoct(*offset)),
                                                 -1, FI_REMAPF_LOCKED);
 
         xfs_rw_enter_trace(XFS_READ_ENTER, &ip->i_iocore,
@@ -313,7 +311,7 @@ xfs_sendfile(
 
         if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_READ) &&
             (!(ioflags & IO_INVIS))) {
-                vrwlock_t locktype = VRWLOCK_READ;
+                bhv_vrwlock_t locktype = VRWLOCK_READ;
                 int error;
 
                 error = XFS_SEND_DATA(mp, DM_EVENT_READ, BHV_TO_VNODE(bdp),
@@ -357,7 +355,7 @@ xfs_splice_read(
 
         if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_READ) &&
             (!(ioflags & IO_INVIS))) {
-                vrwlock_t locktype = VRWLOCK_READ;
+                bhv_vrwlock_t locktype = VRWLOCK_READ;
                 int error;
 
                 error = XFS_SEND_DATA(mp, DM_EVENT_READ, BHV_TO_VNODE(bdp),
@@ -401,7 +399,7 @@ xfs_splice_write(
 
         if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_WRITE) &&
             (!(ioflags & IO_INVIS))) {
-                vrwlock_t locktype = VRWLOCK_WRITE;
+                bhv_vrwlock_t locktype = VRWLOCK_WRITE;
                 int error;
 
                 error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, BHV_TO_VNODE(bdp),
@@ -458,7 +456,7 @@ xfs_zero_last_block(
         last_fsb = XFS_B_TO_FSBT(mp, isize);
         nimaps = 1;
         error = XFS_BMAPI(mp, NULL, io, last_fsb, 1, 0, NULL, 0, &imap,
-                          &nimaps, NULL);
+                          &nimaps, NULL, NULL);
         if (error) {
                 return error;
         }
@@ -499,7 +497,7 @@ xfs_zero_last_block(
 
 int                                     /* error (positive) */
 xfs_zero_eof(
-        vnode_t         *vp,
+        bhv_vnode_t     *vp,
         xfs_iocore_t    *io,
         xfs_off_t       offset,         /* starting I/O offset */
         xfs_fsize_t     isize,          /* current inode size */
@@ -510,7 +508,6 @@ xfs_zero_eof(
         xfs_fileoff_t   end_zero_fsb;
         xfs_fileoff_t   zero_count_fsb;
         xfs_fileoff_t   last_fsb;
-        xfs_extlen_t    buf_len_fsb;
         xfs_mount_t     *mp = io->io_mount;
         int             nimaps;
         int             error = 0;
@@ -556,7 +553,7 @@ xfs_zero_eof(
                 nimaps = 1;
                 zero_count_fsb = end_zero_fsb - start_zero_fsb + 1;
                 error = XFS_BMAPI(mp, NULL, io, start_zero_fsb, zero_count_fsb,
-                                  0, NULL, 0, &imap, &nimaps, NULL);
+                                  0, NULL, 0, &imap, &nimaps, NULL, NULL);
                 if (error) {
                         ASSERT(ismrlocked(io->io_lock, MR_UPDATE));
                         ASSERT(ismrlocked(io->io_iolock, MR_UPDATE));
@@ -579,16 +576,7 @@ xfs_zero_eof(
                 }
 
                 /*
-                 * There are blocks in the range requested.
-                 * Zero them a single write at a time.  We actually
-                 * don't zero the entire range returned if it is
-                 * too big and simply loop around to get the rest.
-                 * That is not the most efficient thing to do, but it
-                 * is simple and this path should not be exercised often.
-                 */
-                buf_len_fsb = XFS_FILBLKS_MIN(imap.br_blockcount,
-                                              mp->m_writeio_blocks << 8);
-                /*
+                 * There are blocks we need to zero.
                  * Drop the inode lock while we're doing the I/O.
                  * We'll still have the iolock to protect us.
                  */
@@ -596,14 +584,13 @@ xfs_zero_eof(
 
                 error = xfs_iozero(ip,
                                    XFS_FSB_TO_B(mp, start_zero_fsb),
-                                   XFS_FSB_TO_B(mp, buf_len_fsb),
+                                   XFS_FSB_TO_B(mp, imap.br_blockcount),
                                    end_size);
-
                 if (error) {
                         goto out_lock;
                 }
 
-                start_zero_fsb = imap.br_startoff + buf_len_fsb;
+                start_zero_fsb = imap.br_startoff + imap.br_blockcount;
                 ASSERT(start_zero_fsb <= (end_zero_fsb + 1));
 
                 XFS_ILOCK(mp, io, XFS_ILOCK_EXCL|XFS_EXTSIZE_RD);
@@ -637,11 +624,11 @@ xfs_write(
         ssize_t                 ret = 0, error = 0;
         xfs_fsize_t             isize, new_size;
         xfs_iocore_t            *io;
-        vnode_t                 *vp;
+        bhv_vnode_t             *vp;
         unsigned long           seg;
         int                     iolock;
         int                     eventsent = 0;
-        vrwlock_t               locktype;
+        bhv_vrwlock_t           locktype;
         size_t                  ocount = 0, count;
         loff_t                  pos;
         int                     need_i_mutex = 1, need_flush = 0;
@@ -679,11 +666,11 @@ xfs_write(
         io = &xip->i_iocore;
         mp = io->io_mount;
 
+        vfs_wait_for_freeze(vp->v_vfsp, SB_FREEZE_WRITE);
+
         if (XFS_FORCED_SHUTDOWN(mp))
                 return -EIO;
 
-        fs_check_frozen(vp->v_vfsp, SB_FREEZE_WRITE);
-
         if (ioflags & IO_ISDIRECT) {
                 xfs_buftarg_t   *target =
                         (xip->i_d.di_flags & XFS_DIFLAG_REALTIME) ?
@@ -814,7 +801,7 @@ retry:
                 if (need_flush) {
                         xfs_inval_cached_trace(io, pos, -1,
                                         ctooff(offtoct(pos)), -1);
-                        VOP_FLUSHINVAL_PAGES(vp, ctooff(offtoct(pos)),
+                        bhv_vop_flushinval_pages(vp, ctooff(offtoct(pos)),
                                         -1, FI_REMAPF_LOCKED);
                 }
 
@@ -903,79 +890,9 @@ retry:
 
         /* Handle various SYNC-type writes */
         if ((file->f_flags & O_SYNC) || IS_SYNC(inode)) {
-                /*
-                 * If we're treating this as O_DSYNC and we have not updated the
-                 * size, force the log.
-                 */
-                if (!(mp->m_flags & XFS_MOUNT_OSYNCISOSYNC) &&
-                    !(xip->i_update_size)) {
-                        xfs_inode_log_item_t    *iip = xip->i_itemp;
-
-                        /*
-                         * If an allocation transaction occurred
-                         * without extending the size, then we have to force
-                         * the log up the proper point to ensure that the
-                         * allocation is permanent.  We can't count on
-                         * the fact that buffered writes lock out direct I/O
-                         * writes - the direct I/O write could have extended
-                         * the size nontransactionally, then finished before
-                         * we started.  xfs_write_file will think that the file
-                         * didn't grow but the update isn't safe unless the
-                         * size change is logged.
-                         *
-                         * Force the log if we've committed a transaction
-                         * against the inode or if someone else has and
-                         * the commit record hasn't gone to disk (e.g.
-                         * the inode is pinned).  This guarantees that
-                         * all changes affecting the inode are permanent
-                         * when we return.
-                         */
-                        if (iip && iip->ili_last_lsn) {
-                                xfs_log_force(mp, iip->ili_last_lsn,
-                                                XFS_LOG_FORCE | XFS_LOG_SYNC);
-                        } else if (xfs_ipincount(xip) > 0) {
-                                xfs_log_force(mp, (xfs_lsn_t)0,
-                                                XFS_LOG_FORCE | XFS_LOG_SYNC);
-                        }
-
-                } else {
-                        xfs_trans_t     *tp;
-
-                        /*
-                         * O_SYNC or O_DSYNC _with_ a size update are handled
-                         * the same way.
-                         *
-                         * If the write was synchronous then we need to make
-                         * sure that the inode modification time is permanent.
-                         * We'll have updated the timestamp above, so here
-                         * we use a synchronous transaction to log the inode.
-                         * It's not fast, but it's necessary.
-                         *
-                         * If this a dsync write and the size got changed
-                         * non-transactionally, then we need to ensure that
-                         * the size change gets logged in a synchronous
-                         * transaction.
-                         */
-
-                        tp = xfs_trans_alloc(mp, XFS_TRANS_WRITE_SYNC);
-                        if ((error = xfs_trans_reserve(tp, 0,
-                                                      XFS_SWRITE_LOG_RES(mp),
-                                                      0, 0, 0))) {
-                                /* Transaction reserve failed */
-                                xfs_trans_cancel(tp, 0);
-                        } else {
-                                /* Transaction reserve successful */
-                                xfs_ilock(xip, XFS_ILOCK_EXCL);
-                                xfs_trans_ijoin(tp, xip, XFS_ILOCK_EXCL);
-                                xfs_trans_ihold(tp, xip);
-                                xfs_trans_log_inode(tp, xip, XFS_ILOG_CORE);
-                                xfs_trans_set_sync(tp);
-                                error = xfs_trans_commit(tp, 0, NULL);
-                                xfs_iunlock(xip, XFS_ILOCK_EXCL);
-                        }
-                        if (error)
-                                goto out_unlock_internal;
-                }
+                error = xfs_write_sync_logforce(mp, xip);
+                if (error)
+                        goto out_unlock_internal;
 
                 xfs_rwunlock(bdp, locktype);
                 if (need_i_mutex)