LU-7015 ofd: Fix wanted grant calculation

[fs/lustre-release.git] / lustre / ofd / ofd_grant.c

diff --git a/lustre/ofd/ofd_grant.c b/lustre/ofd/ofd_grant.c
index b2c486a..fd2f101 100644 (file)
--- a/lustre/ofd/ofd_grant.c
+++ b/lustre/ofd/ofd_grant.c
@@ -700,7 +700,7 @@ static long ofd_grant_alloc(struct obd_export *exp, u64 curgrant,
                /* don't grant more than 1/8th of the remaining free space in
                 * one chunk */
                left >>= 3;
-       grant = min(want, left);
+       grant = min(want - curgrant, left);
        /* round grant upt to the next block size */
        grant = (grant + (1 << ofd->ofd_blockbits) - 1) &
                ~((1ULL << ofd->ofd_blockbits) - 1);