The patch titled
Subject: ocfs2: copy fs uuid to superblock
has been removed from the -mm tree. Its filename was
ocfs2-copy-fs-uuid-to-superblock.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Subject: ocfs2: copy fs uuid to superblock
Currently, maximal number of cleancache enabled filesystems equals 32,
which is insufficient nowadays, because a Linux host can have hundreds of
containers on board, each of which might want its own filesystem. This
patch set targets at removing this limitation - see patch 4 for more
details. Patches 1-3 prepare the code for this change.
This patch (of 4):
This will allow us to remove the uuid argument from
cleancache_init_shared_fs.
Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Cc: David Vrabel <david.vrabel@xxxxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Stefan Hengelein <ilendir@xxxxxxxxxxxxxx>
Cc: Florian Schmaus <fschmaus@xxxxxxxxx>
Cc: Andor Daam <andor.daam@xxxxxxxxxxxxxx>
Cc: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Cc: Bob Liu <lliubbo@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/super.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN fs/ocfs2/super.c~ocfs2-copy-fs-uuid-to-superblock fs/ocfs2/super.c
--- a/fs/ocfs2/super.c~ocfs2-copy-fs-uuid-to-superblock
+++ a/fs/ocfs2/super.c
@@ -2070,6 +2070,8 @@ static int ocfs2_initialize_super(struct
cbits = le32_to_cpu(di->id2.i_super.s_clustersize_bits);
bbits = le32_to_cpu(di->id2.i_super.s_blocksize_bits);
sb->s_maxbytes = ocfs2_max_file_offset(bbits, cbits);
+ memcpy(sb->s_uuid, di->id2.i_super.s_uuid,
+ sizeof(di->id2.i_super.s_uuid));
osb->osb_dx_mask = (1 << (cbits - bbits)) - 1;
_
Patches currently in -mm which might be from vdavydov@xxxxxxxxxxxxx are
origin.patch
memcg-zap-mem_cgroup_lookup.patch
memcg-remove-obsolete-comment.patch
mm-vmscan-fix-the-page-state-calculation-in-too_many_isolated.patch
signal-remove-warning-about-using-si_tkill-in-rt_sigqueueinfo.patch
linux-next.patch
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