[XFS] The last argument "lsn" of xfs_trans_commit() is always called with
[linux-2.6-block.git] / fs / xfs / xfs_vnodeops.c
index 061e2ffdd1dee3613bedb671dbdbb9256350aac8..6202a9318a767308eeb21da12f47c98efd0212e7 100644 (file)
@@ -51,7 +51,6 @@
 #include "xfs_refcache.h"
 #include "xfs_trans_space.h"
 #include "xfs_log_priv.h"
-#include "xfs_mac.h"
 
 STATIC int
 xfs_open(
@@ -874,7 +873,7 @@ xfs_setattr(
                if (mp->m_flags & XFS_MOUNT_WSYNC)
                        xfs_trans_set_sync(tp);
 
-               code = xfs_trans_commit(tp, commit_flags, NULL);
+               code = xfs_trans_commit(tp, commit_flags);
        }
 
        /*
@@ -1013,7 +1012,7 @@ xfs_readlink(
        pathlen = (int)ip->i_d.di_size;
 
        if (ip->i_df.if_flags & XFS_IFINLINE) {
-               error = uio_read(ip->i_df.if_u1.if_data, pathlen, uiop);
+               error = xfs_uio_read(ip->i_df.if_u1.if_data, pathlen, uiop);
        }
        else {
                /*
@@ -1044,7 +1043,7 @@ xfs_readlink(
                                byte_cnt = pathlen;
                        pathlen -= byte_cnt;
 
-                       error = uio_read(XFS_BUF_PTR(bp), byte_cnt, uiop);
+                       error = xfs_uio_read(XFS_BUF_PTR(bp), byte_cnt, uiop);
                        xfs_buf_relse (bp);
                }
 
@@ -1177,7 +1176,7 @@ xfs_fsync(
                xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
                if (flag & FSYNC_WAIT)
                        xfs_trans_set_sync(tp);
-               error = _xfs_trans_commit(tp, 0, NULL, &log_flushed);
+               error = _xfs_trans_commit(tp, 0, &log_flushed);
 
                xfs_iunlock(ip, XFS_ILOCK_EXCL);
        }
@@ -1292,8 +1291,7 @@ xfs_inactive_free_eofblocks(
                                          XFS_TRANS_ABORT));
                } else {
                        error = xfs_trans_commit(tp,
-                                               XFS_TRANS_RELEASE_LOG_RES,
-                                               NULL);
+                                               XFS_TRANS_RELEASE_LOG_RES);
                }
                xfs_iunlock(ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL);
        }
@@ -1381,7 +1379,7 @@ xfs_inactive_symlink_rmt(
        /*
         * Commit the first transaction.  This logs the EFI and the inode.
         */
-       if ((error = xfs_bmap_finish(&tp, &free_list, first_block, &committed)))
+       if ((error = xfs_bmap_finish(&tp, &free_list, &committed)))
                goto error1;
        /*
         * The transaction must have been committed, since there were
@@ -1407,7 +1405,7 @@ xfs_inactive_symlink_rmt(
         * we need to unlock the inode since the new transaction doesn't
         * have the inode attached.
         */
-       error = xfs_trans_commit(tp, 0, NULL);
+       error = xfs_trans_commit(tp, 0);
        tp = ntp;
        if (error) {
                ASSERT(XFS_FORCED_SHUTDOWN(mp));
@@ -1504,7 +1502,7 @@ xfs_inactive_attrs(
        tp = *tpp;
        mp = ip->i_mount;
        ASSERT(ip->i_d.di_forkoff != 0);
-       xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+       xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
        xfs_iunlock(ip, XFS_ILOCK_EXCL);
 
        error = xfs_attr_inactive(ip);
@@ -1790,9 +1788,8 @@ xfs_inactive(
                 * Just ignore errors at this point.  There is
                 * nothing we can do except to try to keep going.
                 */
-               (void) xfs_bmap_finish(&tp,  &free_list, first_block,
-                                      &committed);
-               (void) xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+               (void) xfs_bmap_finish(&tp,  &free_list, &committed);
+               (void) xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
        }
        /*
         * Release the dquots held by inode, if any.
@@ -2022,13 +2019,13 @@ xfs_create(
        IHOLD(ip);
        vp = XFS_ITOV(ip);
 
-       error = xfs_bmap_finish(&tp, &free_list, first_block, &committed);
+       error = xfs_bmap_finish(&tp, &free_list, &committed);
        if (error) {
                xfs_bmap_cancel(&free_list);
                goto abort_rele;
        }
 
-       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
        if (error) {
                IRELE(ip);
                tp = NULL;
@@ -2507,13 +2504,13 @@ xfs_remove(
                xfs_trans_set_sync(tp);
        }
 
-       error = xfs_bmap_finish(&tp, &free_list, first_block, &committed);
+       error = xfs_bmap_finish(&tp, &free_list, &committed);
        if (error) {
                REMOVE_DEBUG_TRACE(__LINE__);
                goto error_rele;
        }
 
-       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
        if (error) {
                IRELE(ip);
                goto std_return;
@@ -2715,13 +2712,13 @@ xfs_link(
                xfs_trans_set_sync(tp);
        }
 
-       error = xfs_bmap_finish (&tp, &free_list, first_block, &committed);
+       error = xfs_bmap_finish (&tp, &free_list, &committed);
        if (error) {
                xfs_bmap_cancel(&free_list);
                goto abort_return;
        }
 
-       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
        if (error)
                goto std_return;
 
@@ -2932,13 +2929,13 @@ xfs_mkdir(
                xfs_trans_set_sync(tp);
        }
 
-       error = xfs_bmap_finish(&tp, &free_list, first_block, &committed);
+       error = xfs_bmap_finish(&tp, &free_list, &committed);
        if (error) {
                IRELE(cdp);
                goto error2;
        }
 
-       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
        XFS_QM_DQRELE(mp, udqp);
        XFS_QM_DQRELE(mp, gdqp);
        if (error) {
@@ -3183,7 +3180,7 @@ xfs_rmdir(
                xfs_trans_set_sync(tp);
        }
 
-       error = xfs_bmap_finish (&tp, &free_list, first_block, &committed);
+       error = xfs_bmap_finish (&tp, &free_list, &committed);
        if (error) {
                xfs_bmap_cancel(&free_list);
                xfs_trans_cancel(tp, (XFS_TRANS_RELEASE_LOG_RES |
@@ -3192,7 +3189,7 @@ xfs_rmdir(
                goto std_return;
        }
 
-       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
        if (error) {
                IRELE(cdp);
                goto std_return;
@@ -3533,11 +3530,11 @@ xfs_symlink(
         */
        IHOLD(ip);
 
-       error = xfs_bmap_finish(&tp, &free_list, first_block, &committed);
+       error = xfs_bmap_finish(&tp, &free_list, &committed);
        if (error) {
                goto error2;
        }
-       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+       error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
        XFS_QM_DQRELE(mp, udqp);
        XFS_QM_DQRELE(mp, gdqp);
 
@@ -3792,7 +3789,7 @@ xfs_set_dmattrs (
 
        xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
        IHOLD(ip);
-       error = xfs_trans_commit(tp, 0, NULL);
+       error = xfs_trans_commit(tp, 0);
 
        return error;
 }
@@ -3827,11 +3824,16 @@ xfs_reclaim(
         */
        xfs_synchronize_atime(ip);
 
-       /* If we have nothing to flush with this inode then complete the
-        * teardown now, otherwise break the link between the xfs inode
-        * and the linux inode and clean up the xfs inode later. This
-        * avoids flushing the inode to disk during the delete operation
-        * itself.
+       /*
+        * If we have nothing to flush with this inode then complete the
+        * teardown now, otherwise break the link between the xfs inode and the
+        * linux inode and clean up the xfs inode later. This avoids flushing
+        * the inode to disk during the delete operation itself.
+        *
+        * When breaking the link, we need to set the XFS_IRECLAIMABLE flag
+        * first to ensure that xfs_iunpin() will never see an xfs inode
+        * that has a linux inode being reclaimed. Synchronisation is provided
+        * by the i_flags_lock.
         */
        if (!ip->i_update_core && (ip->i_itemp == NULL)) {
                xfs_ilock(ip, XFS_ILOCK_EXCL);
@@ -3840,13 +3842,13 @@ xfs_reclaim(
        } else {
                xfs_mount_t     *mp = ip->i_mount;
 
-               /* Protect sync from us */
+               /* Protect sync and unpin from us */
                XFS_MOUNT_ILOCK(mp);
-               vn_bhv_remove(VN_BHV_HEAD(vp), XFS_ITOBHV(ip));
-               list_add_tail(&ip->i_reclaim, &mp->m_del_inodes);
                spin_lock(&ip->i_flags_lock);
-               ip->i_flags |= XFS_IRECLAIMABLE;
+               __xfs_iflags_set(ip, XFS_IRECLAIMABLE);
+               vn_bhv_remove(VN_BHV_HEAD(vp), XFS_ITOBHV(ip));
                spin_unlock(&ip->i_flags_lock);
+               list_add_tail(&ip->i_reclaim, &mp->m_del_inodes);
                XFS_MOUNT_IUNLOCK(mp);
        }
        return 0;
@@ -3872,8 +3874,8 @@ xfs_finish_reclaim(
         */
        write_lock(&ih->ih_lock);
        spin_lock(&ip->i_flags_lock);
-       if ((ip->i_flags & XFS_IRECLAIM) ||
-           (!(ip->i_flags & XFS_IRECLAIMABLE) && vp == NULL)) {
+       if (__xfs_iflags_test(ip, XFS_IRECLAIM) ||
+           (!__xfs_iflags_test(ip, XFS_IRECLAIMABLE) && vp == NULL)) {
                spin_unlock(&ip->i_flags_lock);
                write_unlock(&ih->ih_lock);
                if (locked) {
@@ -3882,7 +3884,7 @@ xfs_finish_reclaim(
                }
                return 1;
        }
-       ip->i_flags |= XFS_IRECLAIM;
+       __xfs_iflags_set(ip, XFS_IRECLAIM);
        spin_unlock(&ip->i_flags_lock);
        write_unlock(&ih->ih_lock);
 
@@ -4140,12 +4142,12 @@ retry:
                /*
                 * Complete the transaction
                 */
-               error = xfs_bmap_finish(&tp, &free_list, firstfsb, &committed);
+               error = xfs_bmap_finish(&tp, &free_list, &committed);
                if (error) {
                        goto error0;
                }
 
-               error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+               error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
                xfs_iunlock(ip, XFS_ILOCK_EXCL);
                if (error) {
                        break;
@@ -4447,12 +4449,12 @@ xfs_free_file_space(
                /*
                 * complete the transaction
                 */
-               error = xfs_bmap_finish(&tp, &free_list, firstfsb, &committed);
+               error = xfs_bmap_finish(&tp, &free_list, &committed);
                if (error) {
                        goto error0;
                }
 
-               error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES, NULL);
+               error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
                xfs_iunlock(ip, XFS_ILOCK_EXCL);
        }
 
@@ -4646,7 +4648,7 @@ xfs_change_file_space(
        xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
        xfs_trans_set_sync(tp);
 
-       error = xfs_trans_commit(tp, 0, NULL);
+       error = xfs_trans_commit(tp, 0);
 
        xfs_iunlock(ip, XFS_ILOCK_EXCL);