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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>
This commit is contained in:
Andreas Gruenbacher 2016-09-26 13:20:19 -05:00 committed by Bob Peterson
parent e0d735c1cc
commit d7c436cd60
1 changed files with 3 additions and 3 deletions
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6
fs/gfs2/file.c
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@ -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);