AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-24 13:20:52 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

NFS nfs_vm_page_mkwrite: Don't freeze me, Bro...

Browse Source 
Prevent filesystem freezes while handling the write page fault.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Trond Myklebust 2016-06-23 11:09:04 -04:00
parent e95fc4a069
commit 9a773e7c8d
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/nfs/file.c
View File

@ -569,6 +569,8 @@ static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
filp, filp->f_mapping->host->i_ino,
(long long)page_offset(page));
sb_start_pagefault(inode->i_sb);
/* make sure the cache has finished storing the page */
nfs_fscache_wait_on_page_write(NFS_I(inode), page);
@ -595,6 +597,7 @@ static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
out_unlock:
unlock_page(page);
out:
sb_end_pagefault(inode->i_sb);
return ret;
}