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| author | Weston Andros Adamson <dros@primarydata.com> | 2014-07-17 20:42:15 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-08-03 17:05:24 -0400 |
| commit | e7029206ff43f6cf7d6fcb741adb126f47200516 (patch) | |
| tree | 177e5c715690fdc397a2054c48ec61b9b5cbbea4 /fs/nfs/write.c | |
| parent | ec25422c669d38f4e8a83da7f77950094349de48 (diff) | |
| download | blackbird-op-linux-e7029206ff43f6cf7d6fcb741adb126f47200516.tar.gz blackbird-op-linux-e7029206ff43f6cf7d6fcb741adb126f47200516.zip | |
nfs: check wait_on_bit_lock err in page_group_lock
Return errors from wait_on_bit_lock from nfs_page_group_lock.
Add a bool argument @wait to nfs_page_group_lock. If true, loop over
wait_on_bit_lock until it returns cleanly. If false, return the error
from wait_on_bit_lock.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/write.c')
| -rw-r--r-- | fs/nfs/write.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index d357728ed8ba..8d1ed2b9c16c 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -216,7 +216,7 @@ static bool nfs_page_group_covers_page(struct nfs_page *req) unsigned int pos = 0; unsigned int len = nfs_page_length(req->wb_page); - nfs_page_group_lock(req); + nfs_page_group_lock(req, true); do { tmp = nfs_page_group_search_locked(req->wb_head, pos); @@ -456,7 +456,9 @@ try_again: } /* lock each request in the page group */ - nfs_page_group_lock(head); + ret = nfs_page_group_lock(head, false); + if (ret < 0) + return ERR_PTR(ret); subreq = head; do { /* |
