[GFS2] Fix recursive locking in gfs2_permission

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Since gfs2_permission may be called either from the VFS (in which case
we need to obtain a shared glock) or from GFS2 (in which case we already
have a glock) we need to test to see whether or not a lock is required.
The original test was buggy due to a potential race. This one should
be safe.

This fixes Red Hat bugzilla #217129

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

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This commit is contained in:

Steven Whitehouse 2006-11-27 09:55:28 -05:00

parent cb4c031318

commit 300c7d75f3

1 changed files with 13 additions and 6 deletions

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21

fs/gfs2/ops_inode.c

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