xfs: allow reservation of rtblocks with xfs_trans_alloc_inode
authorDarrick J. Wong <djwong@kernel.org>
Wed, 27 Jan 2021 00:44:07 +0000 (16:44 -0800)
committerDarrick J. Wong <djwong@kernel.org>
Wed, 3 Feb 2021 17:18:49 +0000 (09:18 -0800)
Make it so that we can reserve rt blocks with the xfs_trans_alloc_inode
wrapper function, then convert a few more callsites.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
fs/xfs/libxfs/xfs_attr.c
fs/xfs/libxfs/xfs_bmap.c
fs/xfs/xfs_bmap_util.c
fs/xfs/xfs_iomap.c
fs/xfs/xfs_trans.c
fs/xfs/xfs_trans.h

index cb95bc7..472b303 100644 (file)
@@ -458,7 +458,7 @@ xfs_attr_set(
         * Root fork attributes can use reserved data blocks for this
         * operation if necessary
         */
-       error = xfs_trans_alloc_inode(dp, &tres, total, rsvd, &args->trans);
+       error = xfs_trans_alloc_inode(dp, &tres, total, 0, rsvd, &args->trans);
        if (error)
                return error;
 
index be66616..e0905ad 100644 (file)
@@ -1079,7 +1079,7 @@ xfs_bmap_add_attrfork(
 
        blks = XFS_ADDAFORK_SPACE_RES(mp);
 
-       error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_addafork, blks,
+       error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_addafork, blks, 0,
                        rsvd, &tp);
        if (error)
                return error;
index c5687ae..e7d6831 100644 (file)
@@ -730,7 +730,6 @@ xfs_alloc_file_space(
        int                     rt;
        xfs_trans_t             *tp;
        xfs_bmbt_irec_t         imaps[1], *imapp;
-       uint                    resblks, resrtextents;
        int                     error;
 
        trace_xfs_alloc_file_space(ip);
@@ -760,7 +759,7 @@ xfs_alloc_file_space(
         */
        while (allocatesize_fsb && !error) {
                xfs_fileoff_t   s, e;
-               unsigned int    dblocks, rblocks;
+               unsigned int    dblocks, rblocks, resblks;
 
                /*
                 * Determine space reservations for data/realtime.
@@ -790,8 +789,6 @@ xfs_alloc_file_space(
                 */
                resblks = min_t(xfs_fileoff_t, (e - s), (MAXEXTLEN * nimaps));
                if (unlikely(rt)) {
-                       resrtextents = resblks;
-                       resrtextents /= mp->m_sb.sb_rextsize;
                        dblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
                        rblocks = resblks;
                } else {
@@ -802,32 +799,16 @@ xfs_alloc_file_space(
                /*
                 * Allocate and setup the transaction.
                 */
-               error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, dblocks,
-                               resrtextents, 0, &tp);
-
-               /*
-                * Check for running out of space
-                */
-               if (error) {
-                       /*
-                        * Free the transaction structure.
-                        */
-                       ASSERT(error == -ENOSPC || XFS_FORCED_SHUTDOWN(mp));
-                       break;
-               }
-               xfs_ilock(ip, XFS_ILOCK_EXCL);
-               error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, rblocks,
-                               false);
+               error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write,
+                               dblocks, rblocks, false, &tp);
                if (error)
-                       goto error;
+                       break;
 
                error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK,
                                XFS_IEXT_ADD_NOSPLIT_CNT);
                if (error)
                        goto error;
 
-               xfs_trans_ijoin(tp, ip, 0);
-
                error = xfs_bmapi_write(tp, ip, startoffset_fsb,
                                        allocatesize_fsb, alloc_type, 0, imapp,
                                        &nimaps);
@@ -873,7 +854,7 @@ xfs_unmap_extent(
        uint                    resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
        int                     error;
 
-       error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks,
+       error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks, 0,
                        false, &tp);
        if (error)
                return error;
index ac91c97..fe2bbd9 100644 (file)
@@ -195,19 +195,15 @@ xfs_iomap_write_direct(
        xfs_filblks_t           resaligned;
        int                     nimaps;
        unsigned int            dblocks, rblocks;
-       unsigned int            resrtextents = 0;
+       bool                    force = false;
        int                     error;
        int                     bmapi_flags = XFS_BMAPI_PREALLOC;
-       int                     tflags = 0;
-       bool                    force = false;
 
        ASSERT(count_fsb > 0);
 
        resaligned = xfs_aligned_fsb_count(offset_fsb, count_fsb,
                                           xfs_get_extsz_hint(ip));
        if (unlikely(XFS_IS_REALTIME_INODE(ip))) {
-               resrtextents = resaligned;
-               resrtextents /= mp->m_sb.sb_rextsize;
                dblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0);
                rblocks = resaligned;
        } else {
@@ -236,28 +232,20 @@ xfs_iomap_write_direct(
                bmapi_flags = XFS_BMAPI_CONVERT | XFS_BMAPI_ZERO;
                if (imap->br_state == XFS_EXT_UNWRITTEN) {
                        force = true;
-                       tflags |= XFS_TRANS_RESERVE;
                        dblocks = XFS_DIOSTRAT_SPACE_RES(mp, 0) << 1;
                }
        }
-       error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, dblocks, resrtextents,
-                       tflags, &tp);
-       if (error)
-               return error;
 
-       xfs_ilock(ip, XFS_ILOCK_EXCL);
-
-       error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, rblocks, force);
+       error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, dblocks,
+                       rblocks, force, &tp);
        if (error)
-               goto out_trans_cancel;
+               return error;
 
        error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK,
                        XFS_IEXT_ADD_NOSPLIT_CNT);
        if (error)
                goto out_trans_cancel;
 
-       xfs_trans_ijoin(tp, ip, 0);
-
        /*
         * From this point onwards we overwrite the imap pointer that the
         * caller gave to us.
@@ -553,7 +541,7 @@ xfs_iomap_write_unwritten(
                 * complete here and might deadlock on the iolock.
                 */
                error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks,
-                               true, &tp);
+                               0, true, &tp);
                if (error)
                        return error;
 
index 156b9ed..151f274 100644 (file)
@@ -1038,6 +1038,7 @@ xfs_trans_alloc_inode(
        struct xfs_inode        *ip,
        struct xfs_trans_res    *resv,
        unsigned int            dblocks,
+       unsigned int            rblocks,
        bool                    force,
        struct xfs_trans        **tpp)
 {
@@ -1045,7 +1046,8 @@ xfs_trans_alloc_inode(
        struct xfs_mount        *mp = ip->i_mount;
        int                     error;
 
-       error = xfs_trans_alloc(mp, resv, dblocks, 0,
+       error = xfs_trans_alloc(mp, resv, dblocks,
+                       rblocks / mp->m_sb.sb_rextsize,
                        force ? XFS_TRANS_RESERVE : 0, &tp);
        if (error)
                return error;
@@ -1060,7 +1062,7 @@ xfs_trans_alloc_inode(
                goto out_cancel;
        }
 
-       error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, 0, force);
+       error = xfs_trans_reserve_quota_nblks(tp, ip, dblocks, rblocks, force);
        if (error)
                goto out_cancel;
 
index aa50be2..52bbd7e 100644 (file)
@@ -269,6 +269,7 @@ xfs_trans_item_relog(
 }
 
 int xfs_trans_alloc_inode(struct xfs_inode *ip, struct xfs_trans_res *resv,
-               unsigned int dblocks, bool force, struct xfs_trans **tpp);
+               unsigned int dblocks, unsigned int rblocks, bool force,
+               struct xfs_trans **tpp);
 
 #endif /* __XFS_TRANS_H__ */