From: Bob Peterson <[email protected]> This is a patch to GFS2 to protect sd_log_num_jdata with the gfs2_log_lock. Without this patch, there is a timing window where you can get hit the following assert from function gfs2_log_flush(): gfs2_assert_withdraw(sdp, sdp->sd_log_num_buf + sdp->sd_log_num_jdata == sdp->sd_log_commited_buf + sdp->sd_log_commited_databuf); I've tested it on my roth cluster and it fixes the problem. Signed-off-by: Bob Peterson <[email protected]> Signed-off-by: Steven Whitehouse <[email protected]> diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index a0371f8..7ef3356 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -492,11 +492,12 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) gfs2_trans_add_gl(bd->bd_gl); if (gfs2_is_jdata(ip)) { - sdp->sd_log_num_jdata++; gfs2_pin(sdp, bd->bd_bh); tr->tr_num_databuf_new++; } gfs2_log_lock(sdp); + if (gfs2_is_jdata(ip)) + sdp->sd_log_num_jdata++; sdp->sd_log_num_databuf++; list_add(&le->le_list, &sdp->sd_log_le_databuf); gfs2_log_unlock(sdp); -- 1.5.1.2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- References:
- [GFS2/DLM] Pre-pull patch posting
- From: [email protected]
- [PATCH 01/51] [GFS2] Fix two races relating to glock callbacks
- From: [email protected]
- [PATCH 02/51] [GFS2] Fix calculation of demote state
- From: [email protected]
- [PATCH 03/51] [GFS2] Clean up duplicate includes in fs/gfs2/
- From: [email protected]
- [PATCH 04/51] [GFS2] GFS2 not checking pointer on create when running under nfsd
- From: [email protected]
- [PATCH 05/51] [GFS2] Fix an oops in glock dumping
- From: [email protected]
- [PATCH 06/51] [GFS2] Move some code inside the log lock
- From: [email protected]
- [PATCH 07/51] [GFS2] Revert part of earlier log.c changes
- From: [email protected]
- [PATCH 08/51] [GFS2] Prevent infinite loop in try_rgrp_unlink()
- From: [email protected]
- [PATCH 09/51] [GFS2] use an temp variable to reduce a spin_unlock
- From: [email protected]
- [PATCH 10/51] [GFS2] Detach buf data during in-place writeback
- From: [email protected]
- [PATCH 11/51] [GFS2] mark struct *_operations const
- From: [email protected]
- [PATCH 12/51] [GFS2] use the declaration of gfs2_dops in the header file instead
- From: [email protected]
- [PATCH 13/51] [GFS2] Reduce number of gfs2_scand processes to one
- From: [email protected]
- [PATCH 14/51] [GFS2] invalid metadata block - REVISED
- From: [email protected]
- [PATCH 15/51] [GFS2] Ensure journal file cache is flushed after recovery
- From: [email protected]
- [PATCH 16/51] [GFS2] use list_for_each_entry instead
- From: [email protected]
- [PATCH 17/51] [GFS2] unneeded typecast
- From: [email protected]
- [PATCH 18/51] [GFS2] better code for translating characters
- From: [email protected]
- [PATCH 19/51] [GFS2] Force unstuff of hidden quota inode
- From: [email protected]
- [PATCH 20/51] [GFS2] fixed a NULL pointer assignment BUG
- From: [email protected]
- [PATCH 21/51] [GFS2] Fix quota do_list operation hang
- From: [email protected]
- [PATCH 22/51] [GFS2] Clean up invalidatepage/releasepage
- From: [email protected]
- [PATCH 23/51] [GFS2] Add a missing gfs2_trans_add_bh()
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- [PATCH 24/51] [GFS2] Add NULL entry to token table
- From: [email protected]
- [PATCH 25/51] [GFS2] Reduce truncate IO traffic
- From: [email protected]
- [PATCH 26/51] [DLM] Fix lowcomms socket closing
- From: [email protected]
- [PATCH 27/51] [GFS2] Wendy's dump lockname in hex & fix glock dump
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- [GFS2/DLM] Pre-pull patch posting
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