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authorSteven Whitehouse <swhiteho@redhat.com>2007-06-19 15:38:17 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2007-07-09 08:23:50 +0100
commiteaf5bd3cac92126e5825c6ebc10bee0fba35d555 (patch)
tree779ba2ba60bb6f18cf47a5155aa4164798a81a1f /fs/Kconfig
parent2332c4435bb733b5cd4f612ee57532bd8fde4c1c (diff)
[GFS2] Simplify multiple glock aquisition
There is a bug in the code which acquires multiple glocks where if the initial out-of-order attempt fails part way though we can land up trying to acquire the wrong number of glocks. This is part of the fix for red hat bz #239737. The other part of the bz doesn't apply to upstream kernels since it was fixed by: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=d3717bdf8f08a0e1039158c8bab2c24d20f492b6 Since the out-of-order code doesn't appear to add anything to the performance of GFS2, this patch just removed it rather than trying to fix it. It should be much easier to see whats going on here now. In addition, we don't allocate any memory unless we are using a lot of glocks (which is a relatively uncommon case). Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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