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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-09 13:54:53 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-09 15:17:49 -0400 |
| commit | 0427708657750bdc03af3491a0297cab5e7efabf (patch) | |
| tree | 50b754a332cb763c8e5349d55e38db4d85521ea9 /fs/nfs/direct.c | |
| parent | 1d1afcbc294cc7c788eb5c7b6b98e8d63caf002c (diff) | |
| download | linux-0427708657750bdc03af3491a0297cab5e7efabf.tar.bz2 | |
NFS: Clean up - Simplify reference counting in fs/nfs/direct.c
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Fred Isaman <iisaman@netapp.com>
Diffstat (limited to 'fs/nfs/direct.c')
| -rw-r--r-- | fs/nfs/direct.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 845e20196803..c47a46eaf905 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -486,10 +486,8 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq) } nfs_pageio_complete(&desc); - while (!list_empty(&failed)) { - nfs_release_request(req); + while (!list_empty(&failed)) nfs_unlock_and_release_request(req); - } if (put_dreq(dreq)) nfs_direct_write_complete(dreq, dreq->inode); @@ -518,9 +516,9 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data) nfs_list_remove_request(req); if (dreq->flags == NFS_ODIRECT_RESCHED_WRITES) { /* Note the rewrite will go through mds */ + kref_get(&req->wb_kref); nfs_mark_request_commit(req, NULL, &cinfo); - } else - nfs_release_request(req); + } nfs_unlock_and_release_request(req); } @@ -657,13 +655,11 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_pageio_descriptor *d break; } nfs_lock_request(req); - kref_get(&req->wb_kref); req->wb_index = pos >> PAGE_SHIFT; req->wb_offset = pos & ~PAGE_MASK; if (!nfs_pageio_add_request(desc, req)) { result = desc->pg_error; nfs_unlock_and_release_request(req); - nfs_release_request(req); break; } pgbase = 0; @@ -734,10 +730,8 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr) switch (bit) { case NFS_IOHDR_NEED_RESCHED: case NFS_IOHDR_NEED_COMMIT: + kref_get(&req->wb_kref); nfs_mark_request_commit(req, hdr->lseg, &cinfo); - break; - default: - nfs_release_request(req); } nfs_unlock_and_release_request(req); } @@ -755,7 +749,6 @@ static void nfs_write_sync_pgio_error(struct list_head *head) while (!list_empty(head)) { req = nfs_list_entry(head->next); nfs_list_remove_request(req); - nfs_release_request(req); nfs_unlock_and_release_request(req); } } |