summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAndreas Gruenbacher <agruenba@redhat.com>2016-09-26 13:20:19 -0500
committerBob Peterson <rpeterso@redhat.com>2016-09-26 13:20:19 -0500
commitd7c436cd605eb203ecf64c40f9b18aa610ac0248 (patch)
tree28bcc71357dbec7e1152322409d0f3c362eab0c3
parente0d735c1cc2749598f2d29f60f9a16658fd96ae9 (diff)
downloadlinux-d7c436cd605eb203ecf64c40f9b18aa610ac0248.tar.bz2
gfs2: Update file times after grabbing glock
In gfs2_page_mkwrite, grab the inode glock in EX mode before calling file_update_time: grabbing the lock may result in a call to gfs2_dinode_in, which will reset the file times to their on-disk state. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Bob Peterson <rpeterso@redhat.com>
-rw-r--r--fs/gfs2/file.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 320e65e61938..360188f162bd 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -395,9 +395,6 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
sb_start_pagefault(inode->i_sb);
- /* Update file times before taking page lock */
- file_update_time(vma->vm_file);
-
ret = gfs2_rsqa_alloc(ip);
if (ret)
goto out;
@@ -409,6 +406,9 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
if (ret)
goto out_uninit;
+ /* Update file times before taking page lock */
+ file_update_time(vma->vm_file);
+
set_bit(GLF_DIRTY, &ip->i_gl->gl_flags);
set_bit(GIF_SW_PAGED, &ip->i_flags);