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NFS: Don't clear PG_writeback until after we've processed unstable writes

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Ensure that we don't release the PG_writeback lock until after the page has
either been redirtied, or queued on the nfs_inode 'commit' list.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Trond Myklebust 2007-04-20 16:12:40 -04:00 committed by Linus Torvalds
parent 8e821cad12
commit 6d677e3504
1 changed files with 3 additions and 3 deletions
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6
fs/nfs/write.c
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@ -920,8 +920,8 @@ out_bad:
list_del(&data->pages);
nfs_writedata_release(data);
}
nfs_end_page_writeback(req->wb_page);
nfs_redirty_request(req);
nfs_end_page_writeback(req->wb_page);
nfs_clear_page_writeback(req);
return -ENOMEM;
}
@ -966,8 +966,8 @@ static int nfs_flush_one(struct inode *inode, struct list_head *head, int how)
while (!list_empty(head)) {
struct nfs_page *req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
nfs_end_page_writeback(req->wb_page);
nfs_redirty_request(req);
nfs_end_page_writeback(req->wb_page);
nfs_clear_page_writeback(req);
}
return -ENOMEM;
@ -1002,8 +1002,8 @@ out_err:
while (!list_empty(head)) {
req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
nfs_end_page_writeback(req->wb_page);
nfs_redirty_request(req);
nfs_end_page_writeback(req->wb_page);
nfs_clear_page_writeback(req);
}
return error;