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NFS cleanup: Rename NFS_PAGE_TAG_WRITEBACK to NFS_PAGE_TAG_LOCKED 

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
wifi-calibration
Trond Myklebust 2007-06-17 15:10:24 -04:00
parent c03b402461
commit 9fd367f0f3
3 changed files with 17 additions and 18 deletions
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14
fs/nfs/pagelist.c
View File

@ -108,29 +108,29 @@ void nfs_unlock_request(struct nfs_page *req)
}
/**
* nfs_set_page_writeback_locked - Lock a request for writeback
* nfs_set_page_tag_locked - Tag a request as locked
* @req:
*/
int nfs_set_page_writeback_locked(struct nfs_page *req)
static int nfs_set_page_tag_locked(struct nfs_page *req)
{
struct nfs_inode *nfsi = NFS_I(req->wb_context->path.dentry->d_inode);
if (!nfs_lock_request(req))
return 0;
radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_WRITEBACK);
radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
return 1;
}
/**
* nfs_clear_page_writeback - Unlock request and wake up sleepers
* nfs_clear_page_tag_locked - Clear request tag and wake up sleepers
*/
void nfs_clear_page_writeback(struct nfs_page *req)
void nfs_clear_page_tag_locked(struct nfs_page *req)
{
struct nfs_inode *nfsi = NFS_I(req->wb_context->path.dentry->d_inode);
if (req->wb_page != NULL) {
spin_lock(&nfsi->req_lock);
radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_WRITEBACK);
radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
spin_unlock(&nfsi->req_lock);
}
nfs_unlock_request(req);
@ -421,7 +421,7 @@ int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head,
idx_start = req->wb_index + 1;
if (req->wb_list_head != head)
continue;
if (nfs_set_page_writeback_locked(req)) {
if (nfs_set_page_tag_locked(req)) {
nfs_list_remove_request(req);
nfs_list_add_request(req, dst);
res++;

16
fs/nfs/write.c
View File

@ -289,7 +289,7 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio,
BUG();
}
radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index,
NFS_PAGE_TAG_WRITEBACK);
NFS_PAGE_TAG_LOCKED);
ret = test_bit(PG_NEED_FLUSH, &req->wb_flags);
spin_unlock(req_lock);
nfs_pageio_add_request(pgio, req);
@ -524,7 +524,7 @@ static int nfs_wait_on_requests_locked(struct inode *inode, pgoff_t idx_start, u
idx_end = idx_start + npages - 1;
next = idx_start;
while (radix_tree_gang_lookup_tag(&nfsi->nfs_page_tree, (void **)&req, next, 1, NFS_PAGE_TAG_WRITEBACK)) {
while (radix_tree_gang_lookup_tag(&nfsi->nfs_page_tree, (void **)&req, next, 1, NFS_PAGE_TAG_LOCKED)) {
if (req->wb_index > idx_end)
break;
@ -759,7 +759,7 @@ static void nfs_writepage_release(struct nfs_page *req)
nfs_inode_remove_request(req);
} else
nfs_end_page_writeback(req->wb_page);
nfs_clear_page_writeback(req);
nfs_clear_page_tag_locked(req);
}
static inline int flush_task_priority(int how)
@ -888,7 +888,7 @@ out_bad:
}
nfs_redirty_request(req);
nfs_end_page_writeback(req->wb_page);
nfs_clear_page_writeback(req);
nfs_clear_page_tag_locked(req);
return -ENOMEM;
}
@ -931,7 +931,7 @@ static int nfs_flush_one(struct inode *inode, struct list_head *head, unsigned i
nfs_list_remove_request(req);
nfs_redirty_request(req);
nfs_end_page_writeback(req->wb_page);
nfs_clear_page_writeback(req);
nfs_clear_page_tag_locked(req);
}
return -ENOMEM;
}
@ -1049,7 +1049,7 @@ remove_request:
nfs_end_page_writeback(page);
nfs_inode_remove_request(req);
next:
nfs_clear_page_writeback(req);
nfs_clear_page_tag_locked(req);
}
}
@ -1212,7 +1212,7 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how)
nfs_list_remove_request(req);
nfs_mark_request_commit(req);
dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
nfs_clear_page_writeback(req);
nfs_clear_page_tag_locked(req);
}
return -ENOMEM;
}
@ -1265,7 +1265,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata)
dprintk(" mismatch\n");
nfs_redirty_request(req);
next:
nfs_clear_page_writeback(req);
nfs_clear_page_tag_locked(req);
}
}

5
include/linux/nfs_page.h
View File

@ -21,7 +21,7 @@
/*
* Valid flags for the radix tree
*/
#define NFS_PAGE_TAG_WRITEBACK 0
#define NFS_PAGE_TAG_LOCKED 0
/*
* Valid flags for a dirty buffer
@ -84,8 +84,7 @@ extern void nfs_pageio_complete(struct nfs_pageio_descriptor *desc);
extern void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *, pgoff_t);
extern int nfs_wait_on_request(struct nfs_page *);
extern void nfs_unlock_request(struct nfs_page *req);
extern int nfs_set_page_writeback_locked(struct nfs_page *req);
extern void nfs_clear_page_writeback(struct nfs_page *req);
extern void nfs_clear_page_tag_locked(struct nfs_page *req);
/*