xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NFS: remove NFS_PAGE_TAG_LOCKED

Browse Source 
The last real use of this tag was removed by
commit 7f2f12d963 NFS: Simplify nfs_wb_page()

Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Fred Isaman
2012-03-08 17:29:34 -05:00
committed by Trond Myklebust
parent ad1e396829
commit 9994b62b56
3 changed files with 10 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
fs/nfs/write.c
View File

@@ -236,10 +236,10 @@ static struct nfs_page *nfs_find_and_lock_request(struct page *page, bool nonblo
req = nfs_page_find_request_locked(page);
if (req == NULL)
break;
if (nfs_set_page_tag_locked(req))
if (nfs_lock_request_dontget(req))
break;
/* Note: If we hold the page lock, as is the case in nfs_writepage,
* then the call to nfs_set_page_tag_locked() will always
* then the call to nfs_lock_request_dontget() will always
* succeed provided that someone hasn't already marked the
* request as dirty (in which case we don't care).
*/
@@ -397,8 +397,6 @@ static int nfs_inode_add_request(struct inode *inode, struct nfs_page *req)
set_page_private(req->wb_page, (unsigned long)req);
nfsi->npages++;
kref_get(&req->wb_kref);
radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index,
NFS_PAGE_TAG_LOCKED);
spin_unlock(&inode->i_lock);
radix_tree_preload_end();
out:
@@ -604,7 +602,7 @@ static struct nfs_page *nfs_try_to_update_request(struct inode *inode,
|| end < req->wb_offset)
goto out_flushme;
if (nfs_set_page_tag_locked(req))
if (nfs_lock_request_dontget(req))
break;
/* The request is locked, so wait and then retry */
@@ -684,7 +682,7 @@ static int nfs_writepage_setup(struct nfs_open_context *ctx, struct page *page,
nfs_grow_file(page, offset, count);
nfs_mark_uptodate(page, req->wb_pgbase, req->wb_bytes);
nfs_mark_request_dirty(req);
nfs_clear_page_tag_locked(req);
nfs_unlock_request(req);
return 0;
}
@@ -777,7 +775,7 @@ static void nfs_writepage_release(struct nfs_page *req,
if (PageError(req->wb_page) || !nfs_reschedule_unstable_write(req, data))
nfs_inode_remove_request(req);
nfs_clear_page_tag_locked(req);
nfs_unlock_request(req);
nfs_end_page_writeback(page);
}
@@ -925,7 +923,7 @@ static void nfs_redirty_request(struct nfs_page *req)
struct page *page = req->wb_page;
nfs_mark_request_dirty(req);
nfs_clear_page_tag_locked(req);
nfs_unlock_request(req);
nfs_end_page_writeback(page);
}
@@ -1199,7 +1197,7 @@ static void nfs_writeback_release_full(void *calldata)
remove_request:
nfs_inode_remove_request(req);
next:
nfs_clear_page_tag_locked(req);
nfs_unlock_request(req);
nfs_end_page_writeback(page);
}
nfs_writedata_release(calldata);
@@ -1411,7 +1409,7 @@ void nfs_retry_commit(struct list_head *page_list,
dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
dec_bdi_stat(req->wb_page->mapping->backing_dev_info,
BDI_RECLAIMABLE);
nfs_clear_page_tag_locked(req);
nfs_unlock_request(req);
}
}
EXPORT_SYMBOL_GPL(nfs_retry_commit);
@@ -1486,7 +1484,7 @@ void nfs_commit_release_pages(struct nfs_write_data *data)
dprintk(" mismatch\n");
nfs_mark_request_dirty(req);
next:
nfs_clear_page_tag_locked(req);
nfs_unlock_request(req);
}
}
EXPORT_SYMBOL_GPL(nfs_commit_release_pages);