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

NFS: Relax requirements in nfs_flush_incompatible

Browse Source 
If two processes share the same credentials and NFSv4 open stateid, then
allow them both to dirty the same page, even if their nfs_open_context
differs.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust
2015-10-01 17:17:06 -04:00
parent b20135d0b2
commit 138a2935dc
3 changed files with 8 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
fs/nfs/write.c
View File

@@ -1130,7 +1130,8 @@ int nfs_flush_incompatible(struct file *file, struct page *page)
if (req == NULL)
return 0;
l_ctx = req->wb_lock_context;
do_flush = req->wb_page != page || req->wb_context != ctx;
do_flush = req->wb_page != page ||
!nfs_match_open_context(req->wb_context, ctx);
/* for now, flush if more than 1 request in page_group */
do_flush |= req->wb_this_page != req;
if (l_ctx && flctx &&