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[GFS2] filesystem consistency error from do_strip

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This patch fixes a GFS2 filesystem consistency error reported from
function do_strip.  The problem was caused by a timing window
that allowed two vfs inodes to be created in memory that point
to the same file.  The problem is fixed by making the vfs's
iget_test, iget_set mechanism check and set a new bit in the
in-core gfs2_inode structure while the vfs inode spin_lock is held.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Bob Peterson
2008-04-29 12:35:48 -05:00
committed by Steven Whitehouse
parent 492c2e476e
commit 091806edd4
5 changed files with 20 additions and 15 deletions
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2
fs/gfs2/glops.c
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@@ -249,7 +249,7 @@ static int inode_go_lock(struct gfs2_holder *gh)
struct gfs2_inode *ip = gl->gl_object;
int error = 0;
if (!ip)
if (!ip || (gh->gh_flags & GL_SKIP))
return 0;
if (test_bit(GIF_INVALID, &ip->i_flags)) {