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authorBenjamin Marzinski <bmarzins@redhat.com>2013-04-05 20:31:46 -0500
committerSteven Whitehouse <swhiteho@redhat.com>2013-04-08 08:46:22 +0100
commit16ca9412d8018188bddda29c3fee88471b94e3cb (patch)
tree4fdd7fdd2ab7ea216e5120c5f484a24bcea01d83 /fs/gfs2/glops.c
parent20095218fb882139527c0e04b8e63869fa057b14 (diff)
downloadlinux-16ca9412d8018188bddda29c3fee88471b94e3cb.tar.bz2
GFS2: replace gfs2_ail structure with gfs2_trans
In order to allow transactions and log flushes to happen at the same time, gfs2 needs to move the transaction accounting and active items list code into the gfs2_trans structure. As a first step toward this, this patch removes the gfs2_ail structure, and handles the active items list in the gfs_trans structure. This keeps gfs2 from allocating an ail structure on log flushes, and gives us a struture that can later be used to store the transaction accounting outside of the gfs2 superblock structure. With this patch, at the end of a transaction, gfs2 will add the gfs2_trans structure to the superblock if there is not one already. This structure now has the active items fields that were previously in gfs2_ail. This is not necessary in the case where the transaction was simply used to add revokes, since these are never written outside of the journal, and thus, don't need an active items list. Also, in order to make sure that the transaction structure is not removed while it's still in use by gfs2_trans_end, unlocking the sd_log_flush_lock has to happen slightly later in ending the transaction. Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/glops.c')
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