| Commit message (Collapse) | Author | Age |
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We do all this fun stuff with min_bytes, but either don't use it in the case of
just normal extents, or use it completely wrong in the case of bitmaps. So fix
this for both cases
1) In the extent case, stop looking for space with window_free >= min_bytes
instead of bytes + empty_size.
2) In the bitmap case, we were looking for streches of free space that was at
least min_bytes in size, which was not right at all. So instead search for
stretches of free space that are at least bytes in size (this will make a
difference when we have > page size blocks) and then only search for min_bytes
amount of free space.
Thanks,
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Josef Bacik <josef@redhat.com>
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The free space cluster stuff is heavy duty, so there is no sense in going
through the entire song and dance if there isn't enough space in the block group
to begin with. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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We need to make sure the dir items we get are valid dir items. So any time we
try and read one check it with verify_dir_item, which will do various sanity
checks to make sure it looks sane. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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Doing an audit of where we use btrfs_search_slot only showed one place where we
don't check the return value of btrfs_search_slot properly. Just fix
mark_extent_written to see if btrfs_search_slot failed and act accordingly.
Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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Currently if we have corrupted items things will blow up in spectacular ways.
So as we read in blocks and they are leaves, check the entire leaf to make sure
all of the items are correct and point to valid parts in the leaf for the item
data the are responsible for. If the item is corrupt we will kick back EIO and
not read any of the copies since they are likely to not be correct either. This
will catch generic corruptions, it will be up to the individual callers of
btrfs_search_slot to make sure their items are right. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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Currently if we have corrupt metadata map_extent_buffer will complain about it,
but not return an error so the caller has no idea a problem was hit. Fix this.
Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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Everytime I have to deal with btrfs_cont_expand I stare at it for 20 minutes
trying to remember what exactly it does and why the hell we need it. So add a
comment to save future-Josef some time. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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Mark_inode_dirty will call btrfs_dirty_inode which will take care of updating
the inode. This makes setsize a little cleaner since we don't have to start a
transaction and update the inode in there, we can just call mark_inode_dirty.
Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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We don't need an orphan item when expanding files, we just need them for
truncating them, so only add the orphan item in btrfs_truncate instead of in
btrfs_setsize. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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This fixes a problem where if truncate fails the inode will still be on the in
memory orphan list. This is will make us complain when the inode gets destroyed
because it's still on the orphan list. So if we fail just remove us from the in
memory list and carry on.
Signed-off-by: Josef Bacik <josef@redhat.com>
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If we cannot truncate an inode for some reason we will never delete the orphan
item associated with that inode, which means that we will loop forever in
btrfs_orphan_cleanup. Instead of doing this just return error so we fail to
mount. It sucks, but hey it's better than hanging. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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Now that we can handle having errors in the truncate path lets make sure we
return errors instead of doing BUG_ON() and such. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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->truncate() is going away, instead all of the work needs to be done in
->setattr(). So this converts us over to do this. It's fairly straightforward,
just get rid of our .truncate inode operation and call btrfs_truncate() directly
from btrfs_setsize. This works out better for us since truncate can technically
return ENOSPC, and before we had no way of letting anybody know. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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Since we alloc/free free space entries a whole lot, lets use a slab to keep
track of them. This makes some of my tests slightly faster. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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We track delayed allocation per inodes via 2 counters, one is
outstanding_extents and reserved_extents. Outstanding_extents is already an
atomic_t, but reserved_extents is not and is protected by a spinlock. So
convert this to an atomic_t and instead of using a spinlock, use atomic_cmpxchg
when releasing delalloc bytes. This makes our inode 72 bytes smaller, and
reduces locking overhead (albiet it was minimal to begin with). Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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Really we don't need to memset the pages array at all, since we know how many
pages we're going to use in the array and pass that around. So don't memset,
just trust we're not idiots and we pass num_pages around properly.
Signed-off-by: Josef Bacik <josef@redhat.com>
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Our aio_write function is huge and kind of hard to follow at times. So this
patch fixes this by breaking out the buffered and direct write paths out into
seperate functions so it's a little clearer what's going on. I've also fixed
some wrong typing that we had and added the ability to handle getting an error
back from btrfs_set_extent_delalloc. Tested this with xfstests and everything
came out fine. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
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Sorry, but these were bugging me. Just cleanup some of the formatting in
file.c.
Signed-off-by: Josef Bacik <josef@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: (39 commits)
Treat writes as new when holes span across page boundaries
fs,ocfs2: Move o2net_get_func_run_time under CONFIG_OCFS2_FS_STATS.
ocfs2/dlm: Move kmalloc() outside the spinlock
ocfs2: Make the left masklogs compat.
ocfs2: Remove masklog ML_AIO.
ocfs2: Remove masklog ML_UPTODATE.
ocfs2: Remove masklog ML_BH_IO.
ocfs2: Remove masklog ML_JOURNAL.
ocfs2: Remove masklog ML_EXPORT.
ocfs2: Remove masklog ML_DCACHE.
ocfs2: Remove masklog ML_NAMEI.
ocfs2: Remove mlog(0) from fs/ocfs2/dir.c
ocfs2: remove NAMEI from symlink.c
ocfs2: Remove masklog ML_QUOTA.
ocfs2: Remove mlog(0) from quota_local.c.
ocfs2: Remove masklog ML_RESERVATIONS.
ocfs2: Remove masklog ML_XATTR.
ocfs2: Remove masklog ML_SUPER.
ocfs2: Remove mlog(0) from fs/ocfs2/heartbeat.c
ocfs2: Remove mlog(0) from fs/ocfs2/slot_map.c
...
Fix up trivial conflict in fs/ocfs2/super.c
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When a hole spans across page boundaries, the next write forces
a read of the block. This could end up reading existing garbage
data from the disk in ocfs2_map_page_blocks. This leads to
non-zero holes. In order to avoid this, mark the writes as new
when the holes span across page boundaries.
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.de>
Signed-off-by: jlbec <jlbec@evilplan.org>
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ocfs2-merge-window-fix
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Since we have removed almost all of the masklogs in fs/ocfs2/*,
make the left masklogs compat.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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There is no user for masklog AIO, so remove it.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0,...) and mlog(ML_UPTODATE,...) from
fs/ocfs2/uptodate.c and fs/ocfs2/buffer_head_io.c.
The masklog UPTODATE is removed finally.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0,...) and mlog(ML_BH_IO,...) from
fs/ocfs2/buffer_head_io.c.
The masklog BH_IO is removed finally.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/journal.c and the masklog JOURNAL.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/export.c and the masklog EXPORT.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/dcache.c and the masklog DCACHE.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/namei.c and the masklog NAMEI finally.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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This is the 2nd step to remove the debug info of NAMEI.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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No mlog(0,...) in symlink.c, so just remove NAMEI.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/quota_global.c and
the masklog QUOTA.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/quota_local.c.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/reservations.c and the masklog RESERVATIONS.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/xattr.c and the masklog ML_XATTR.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/super.c and the masklog SUPER.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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This is the 2nd step to remove the debug info of SUPER.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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This is the 1st step to remove the debug info of SUPER.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/extent_map.c and the masklog EXTENT_MAP.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove mlog(0) from fs/ocfs2/inode.c and the masklog INODE.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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ocfs2_iget is used to get/create inode. Only iget5_locked
will give us an inode = NULL. So move this check ahead of
ocfs2_read_locked_inode so that we don't need to check
inode before we read and unlock inode. This is also helpful
for trace event(see the next patch).
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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This is the 2nd step to remove the debug info of INODE.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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As there are no such debug information in fs/ocfs2/ioctl.c,
fs/ocfs2/locks.c and fs/ocfs2/sysfile.c, ML_INODE are also
removed.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Change all the "mlog(0," in fs/ocfs2/mmap.c to trace events.
And finally remove masklog FILE_IO.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Remove all the "mlog(0," in fs/ocfs2/aops.c.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Change all the "mlog(0," in fs/ocfs2/refcounttree.c to trace events.
And finally remove masklog ML_REFCOUNT.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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Since all 4 files, localalloc.c, suballoc.c, alloc.c and
resize.c, which use DISK_ALLOC are changed to trace events,
Remove masklog DISK_ALLOC totally.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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This is the 4th step to remove the debug info of DISK_ALLOC.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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This is the 3rd step to remove the debug info of DISK_ALLOC.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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This is the 2nd step to remove the debug info of DISK_ALLOC.
So this patch removes all mlog(0,...) from localalloc.c and adds
the corresponding tracepoints. Different mlogs have different
solutions.
1. Some are replaced with trace event directly.
2. Some are replaced while some new parameters are added.
3. Some are combined into one trace events.
4. Some redundant mlogs are removed.
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
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