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| author | Benjamin Marzinski <bmarzins@redhat.com> | 2011-06-13 14:27:40 -0500 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2011-07-12 09:15:24 +0100 |
| commit | 1ce533686c7d40bf900dc346a7279c17a9ee8e0e (patch) | |
| tree | fceea4beb94bb819577ea410919c2b603ddef30f /fs/gfs2/main.c | |
| parent | 620917de59eeb934b9f8cf35cc2d95c1ac8ed0fc (diff) | |
GFS2: force a log flush when invalidating the rindex glock
Right now, there is nothing that forces the log to get flushed when a node
drops its rindex glock so that another node can grow the filesystem. If the
log doesn't get flushed, GFS2 can corrupt the sd_log_le_rg list in the
following way.
A node puts an rgd on the list in rg_lo_add(), and then the rindex glock is
dropped so the other node can grow the filesystem. When the node reacquires the
rindex glock, that rgd gets deleted in clear_rgrpdi() before ever being
removed from the list by gfs2_log_flush().
This code simply forces a log flush when the rindex glock is invalidated,
solving the problem.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/main.c')
0 files changed, 0 insertions, 0 deletions