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

NFS: Optimize allocation of nfs_read/write_data structures

Browse Source 
Clean up use of page_array, and fix an off-by-one error noticed by Tom
Talpey which causes kmalloc calls in cases where using the page_array
is sufficient.

Test plan:
Normal client functional testing with r/wsize=32768.

Signed-off-by: Chuck Lever <cel@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever
2006-05-25 01:40:53 -04:00
committed by Trond Myklebust
parent bf3fcf8955
commit 0d0b5cb36f
3 changed files with 13 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/nfs_xdr.h
View File

@@ -694,7 +694,7 @@ struct nfs_read_data {
#ifdef CONFIG_NFS_V4
unsigned long timestamp; /* For lease renewal */
#endif
struct page *page_array[NFS_PAGEVEC_SIZE + 1];
struct page *page_array[NFS_PAGEVEC_SIZE];
};
struct nfs_write_data {
@@ -712,7 +712,7 @@ struct nfs_write_data {
#ifdef CONFIG_NFS_V4
unsigned long timestamp; /* For lease renewal */
#endif
struct page *page_array[NFS_PAGEVEC_SIZE + 1];
struct page *page_array[NFS_PAGEVEC_SIZE];
};
struct nfs_access_entry;