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| author | Fred <iisaman@citi.umich.edu> | 2008-03-19 11:24:38 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-03-19 17:59:56 -0400 |
| commit | 6d884e8fc8114dc8877218f06a9a9a1d801901e4 (patch) | |
| tree | 091b9ab3ae2fe7dfbb15b28573d173a21e44dc1f /fs/nfs | |
| parent | c7c350e92aab1bba68f26a6027b734adcf9824ba (diff) | |
| download | linux-6d884e8fc8114dc8877218f06a9a9a1d801901e4.tar.gz linux-6d884e8fc8114dc8877218f06a9a9a1d801901e4.tar.bz2 linux-6d884e8fc8114dc8877218f06a9a9a1d801901e4.zip | |
nfs: nfs_redirty_request
Both flush functions have the same error handling routine. Pull
it out as a function.
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/write.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 4cb88df12f83..ce40cadb15db 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -282,8 +282,6 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio, spin_unlock(&inode->i_lock); if (!nfs_pageio_add_request(pgio, req)) { nfs_redirty_request(req); - nfs_end_page_writeback(page); - nfs_clear_page_tag_locked(req); return pgio->pg_error; } return 0; @@ -402,7 +400,7 @@ static void nfs_inode_remove_request(struct nfs_page *req) } static void -nfs_redirty_request(struct nfs_page *req) +nfs_mark_request_dirty(struct nfs_page *req) { __set_page_dirty_nobuffers(req->wb_page); } @@ -456,7 +454,7 @@ int nfs_reschedule_unstable_write(struct nfs_page *req) return 1; } if (test_and_clear_bit(PG_NEED_RESCHED, &req->wb_flags)) { - nfs_redirty_request(req); + nfs_mark_request_dirty(req); return 1; } return 0; @@ -847,6 +845,17 @@ static void nfs_write_rpcsetup(struct nfs_page *req, rpc_put_task(task); } +/* If a nfs_flush_* function fails, it should remove reqs from @head and + * call this on each, which will prepare them to be retried on next + * writeback using standard nfs. + */ +static void nfs_redirty_request(struct nfs_page *req) +{ + nfs_mark_request_dirty(req); + nfs_end_page_writeback(req->wb_page); + nfs_clear_page_tag_locked(req); +} + /* * Generate multiple small requests to write out a single * contiguous dirty area on one page. @@ -902,8 +911,6 @@ out_bad: nfs_writedata_release(data); } nfs_redirty_request(req); - nfs_end_page_writeback(req->wb_page); - nfs_clear_page_tag_locked(req); return -ENOMEM; } @@ -944,8 +951,6 @@ static int nfs_flush_one(struct inode *inode, struct list_head *head, unsigned i req = nfs_list_entry(head->next); nfs_list_remove_request(req); nfs_redirty_request(req); - nfs_end_page_writeback(req->wb_page); - nfs_clear_page_tag_locked(req); } return -ENOMEM; } @@ -1298,7 +1303,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata) } /* We have a mismatch. Write the page again */ dprintk(" mismatch\n"); - nfs_redirty_request(req); + nfs_mark_request_dirty(req); next: nfs_clear_page_tag_locked(req); } |