diff options
Diffstat (limited to 'fs/nfs/direct.c')
| -rw-r--r-- | fs/nfs/direct.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 7af5d270de28..bb2f583eb28b 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -606,6 +606,7 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data) trace_nfs_direct_commit_complete(dreq); + spin_lock(&dreq->lock); if (status < 0) { /* Errors in commit are fatal */ dreq->error = status; @@ -613,6 +614,7 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data) } else { status = dreq->error; } + spin_unlock(&dreq->lock); nfs_init_cinfo_from_dreq(&cinfo, dreq); @@ -625,7 +627,10 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data) spin_unlock(&dreq->lock); nfs_release_request(req); } else if (!nfs_write_match_verf(verf, req)) { - dreq->flags = NFS_ODIRECT_RESCHED_WRITES; + spin_lock(&dreq->lock); + if (dreq->flags == 0) + dreq->flags = NFS_ODIRECT_RESCHED_WRITES; + spin_unlock(&dreq->lock); /* * Despite the reboot, the write was successful, * so reset wb_nio. @@ -667,10 +672,17 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq) LIST_HEAD(mds_list); nfs_init_cinfo_from_dreq(&cinfo, dreq); + nfs_commit_begin(cinfo.mds); nfs_scan_commit(dreq->inode, &mds_list, &cinfo); res = nfs_generic_commit_list(dreq->inode, &mds_list, 0, &cinfo); - if (res < 0) /* res == -ENOMEM */ - nfs_direct_write_reschedule(dreq); + if (res < 0) { /* res == -ENOMEM */ + spin_lock(&dreq->lock); + if (dreq->flags == 0) + dreq->flags = NFS_ODIRECT_RESCHED_WRITES; + spin_unlock(&dreq->lock); + } + if (nfs_commit_end(cinfo.mds)) + nfs_direct_write_complete(dreq); } static void nfs_direct_write_clear_reqs(struct nfs_direct_req *dreq) |