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Old 05-09-2008, 05:20 PM
 
Default Cluster Project branch, RHEL4, updated. gfs-kernel_2_6_9_76-54-g4a882ef

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http://sources.redhat.com/git/gitweb.cgi?p=cluster.git;a=commitdiff;h=4a882ef960 1cece3e5383dc22965902ed462f7e2

The branch, RHEL4 has been updated
via 4a882ef9601cece3e5383dc22965902ed462f7e2 (commit)
from b5ab5afac7d6cd8c696b46bacb022ae528d636fe (commit)

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- Log -----------------------------------------------------------------
commit 4a882ef9601cece3e5383dc22965902ed462f7e2
Author: Abhijith Das <adas@redhat.com>
Date: Fri May 9 12:00:05 2008 -0500

gfs-kernel: Workaround fix for bz 444912 (gfs_glock_is_locked_by_me problem)

This one-line fix, removes the assert warning. The behavior of the code is unchanged except that the assert warnings will no longer appear in the logs. This warning is tripped through the madvise syscall where control reaches the readpage function without the inode glock being held. We return -ENOSYS in such a case, disabling the madvise syscall.

A more elegant fix for RHEL5 gfs that supports the madvise syscall (bz 429343) could not be ported to RHEL4 because AOP_TRUNCATED_PAGE is not available in RHEL4.

-----------------------------------------------------------------------

Summary of changes:
gfs-kernel/src/gfs/ops_address.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/gfs-kernel/src/gfs/ops_address.c b/gfs-kernel/src/gfs/ops_address.c
index af5b3b3..fb17133 100644
--- a/gfs-kernel/src/gfs/ops_address.c
+++ b/gfs-kernel/src/gfs/ops_address.c
@@ -283,7 +283,7 @@ gfs_readpage(struct file *file, struct page *page)

atomic_inc(&sdp->sd_ops_address);

- if (gfs_assert_warn(sdp, gfs_glock_is_locked_by_me(ip->i_gl))) {
+ if (!gfs_glock_is_locked_by_me(ip->i_gl)) {
unlock_page(page);
return -ENOSYS;
}


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