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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-21 16:46:34 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-21 16:46:34 +0100
commit9763dd6f8160dc9cc239fc2427c8173073204457 (patch)
tree651df084655e0a6e71a96dbf4316a74aafcc0108 /drivers/scsi/aacraid/src.c
parentMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jac... (diff)
parentgfs2: Make gfs2_write_full_page static (diff)
downloadlinux-9763dd6f8160dc9cc239fc2427c8173073204457.tar.xz
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Merge tag 'gfs2-4.11.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull GFS2 updates from Robert Peterson: "We've got eight GFS2 patches for this merge window: - Andy Price submitted a patch to make gfs2_write_full_page a static function. - Dan Carpenter submitted a patch to fix a ERR_PTR thinko. Three patches fix bugs related to deleting very large files, which cause GFS2 to run out of journal space: - The first one prevents GFS2 delete operation from requesting too much journal space. - The second one fixes a problem whereby GFS2 can hang because it wasn't taking journal space demand into its calculations. - The third one wakes up IO waiters when a flush is done to restart processes stuck waiting for journal space to become available. The final three patches are a performance improvement related to spin_lock contention between multiple writers: - The "tr_touched" variable was switched to a flag to be more atomic and eliminate the possibility of some races. - Function meta_lo_add was moved inline with its only caller to make the code more readable and efficient. - Contention on the gfs2_log_lock spinlock was greatly reduced by avoiding the lock altogether in cases where we don't really need it: buffers that already appear in the appropriate metadata list for the journal. Many thanks to Steve Whitehouse for the ideas and principles behind these patches" * tag 'gfs2-4.11.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: gfs2: Make gfs2_write_full_page static GFS2: Reduce contention on gfs2_log_lock GFS2: Inline function meta_lo_add GFS2: Switch tr_touched to flag in transaction GFS2: Wake up io waiters whenever a flush is done GFS2: Made logd daemon take into account log demand GFS2: Limit number of transaction blocks requested for truncates GFS2: Fix reference to ERR_PTR in gfs2_glock_iter_next
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