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NFS: Clean up - Rename nfs_unlock_request and nfs_unlock_request_dont_release 

Function rename to ensure that the functionality of nfs_unlock_request()
mirrors that of nfs_lock_request(). Then let nfs_unlock_and_release_request()
do the work of what used to be called nfs_unlock_request()...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Fred Isaman <iisaman@netapp.com>
This commit is contained in:
Trond Myklebust 2012-05-09 14:04:55 -04:00
parent 7ad84aa944
commit 1d1afcbc29
4 changed files with 18 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
fs/nfs/direct.c
View File

@ -488,7 +488,7 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq)
while (!list_empty(&failed)) {
nfs_release_request(req);
nfs_unlock_request(req);
nfs_unlock_and_release_request(req);
}
if (put_dreq(dreq))
@ -521,7 +521,7 @@ static void nfs_direct_commit_complete(struct nfs_commit_data *data)
nfs_mark_request_commit(req, NULL, &cinfo);
} else
nfs_release_request(req);
nfs_unlock_request(req);
nfs_unlock_and_release_request(req);
}
if (atomic_dec_and_test(&cinfo.mds->rpcs_out))
@ -662,7 +662,7 @@ static ssize_t nfs_direct_write_schedule_segment(struct nfs_pageio_descriptor *d
req->wb_offset = pos & ~PAGE_MASK;
if (!nfs_pageio_add_request(desc, req)) {
result = desc->pg_error;
nfs_unlock_request(req);
nfs_unlock_and_release_request(req);
nfs_release_request(req);
break;
}
@ -739,7 +739,7 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
default:
nfs_release_request(req);
}
nfs_unlock_request(req);
nfs_unlock_and_release_request(req);
}
out_put:
@ -756,7 +756,7 @@ static void nfs_write_sync_pgio_error(struct list_head *head)
req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
nfs_release_request(req);
nfs_unlock_request(req);
nfs_unlock_and_release_request(req);
}
}

11
fs/nfs/pagelist.c
View File

@ -128,10 +128,10 @@ nfs_create_request(struct nfs_open_context *ctx, struct inode *inode,
}
/**
* nfs_unlock_request_dont_release - Unlock request and wake up sleepers.
* nfs_unlock_request - Unlock request and wake up sleepers.
* @req:
*/
void nfs_unlock_request_dont_release(struct nfs_page *req)
void nfs_unlock_request(struct nfs_page *req)
{
if (!NFS_WBACK_BUSY(req)) {
printk(KERN_ERR "NFS: Invalid unlock attempted\n");
@ -144,11 +144,12 @@ void nfs_unlock_request_dont_release(struct nfs_page *req)
}
/**
* nfs_unlock_request - Unlock request and release the nfs_page
* nfs_unlock_and_release_request - Unlock request and release the nfs_page
* @req:
*/
void nfs_unlock_request(struct nfs_page *req)
void nfs_unlock_and_release_request(struct nfs_page *req)
{
nfs_unlock_request_dont_release(req);
nfs_unlock_request(req);
nfs_release_request(req);
}

12
fs/nfs/write.c
View File

@ -625,7 +625,7 @@ static void nfs_write_completion(struct nfs_pgio_header *hdr)
remove_req:
nfs_inode_remove_request(req);
next:
nfs_unlock_request_dont_release(req);
nfs_unlock_request(req);
nfs_end_page_writeback(req->wb_page);
nfs_release_request(req);
}
@ -812,7 +812,7 @@ 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_unlock_request(req);
nfs_unlock_and_release_request(req);
return 0;
}
@ -1039,7 +1039,7 @@ static int nfs_do_multiple_writes(struct list_head *head,
static void nfs_redirty_request(struct nfs_page *req)
{
nfs_mark_request_dirty(req);
nfs_unlock_request_dont_release(req);
nfs_unlock_request(req);
nfs_end_page_writeback(req->wb_page);
nfs_release_request(req);
}
@ -1477,7 +1477,7 @@ void nfs_retry_commit(struct list_head *page_list,
dec_bdi_stat(req->wb_page->mapping->backing_dev_info,
BDI_RECLAIMABLE);
}
nfs_unlock_request(req);
nfs_unlock_and_release_request(req);
}
}
EXPORT_SYMBOL_GPL(nfs_retry_commit);
@ -1555,7 +1555,7 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
dprintk(" mismatch\n");
nfs_mark_request_dirty(req);
next:
nfs_unlock_request(req);
nfs_unlock_and_release_request(req);
}
nfs_init_cinfo(&cinfo, data->inode, data->dreq);
if (atomic_dec_and_test(&cinfo.mds->rpcs_out))
@ -1726,7 +1726,7 @@ int nfs_wb_page_cancel(struct inode *inode, struct page *page)
* page as being dirty
*/
cancel_dirty_page(page, PAGE_CACHE_SIZE);
nfs_unlock_request(req);
nfs_unlock_and_release_request(req);
break;
}
ret = nfs_wait_on_request(req);

2
include/linux/nfs_page.h
View File

@ -96,7 +96,7 @@ extern bool nfs_generic_pg_test(struct nfs_pageio_descriptor *desc,
struct nfs_page *req);
extern int nfs_wait_on_request(struct nfs_page *);
extern void nfs_unlock_request(struct nfs_page *req);
extern void nfs_unlock_request_dont_release(struct nfs_page *req);
extern void nfs_unlock_and_release_request(struct nfs_page *req);
/*
* Lock the page of an asynchronous request