| Commit message (Collapse) | Author | Age | Files | Lines |
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SGI-PV: 963965
SGI-Modid: xfs-linux-melb:xfs-kern:28485a
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
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This patch handles error return values in fs_flush_pages and
fs_flushinval_pages. It changes the prototype of fs_flushinval_pages so we
can propogate the errors and handle them at higher layers. I also modified
xfs_itruncate_start so that it could propogate the error further.
SGI-PV: 961990
SGI-Modid: xfs-linux-melb:xfs-kern:28231a
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Stewart Smith <stewart@flamingspork.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
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NULL.
Patch provided by Eric Sandeen.
SGI-PV: 961693
SGI-Modid: xfs-linux-melb:xfs-kern:28199a
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
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Fixes a few small issues (mostly cosmetic) that were picked up during the
review cycle for the last set of freeze path changes.
SGI-PV: 959267
SGI-Modid: xfs-linux-melb:xfs-kern:28035a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Tim Shimmin <tes@sgi.com>
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record.
The current Linux XFS freeze code is a mess. We flush the metadata buffers
out while we are still allowing new transactions to start and then fail to
flush the dirty buffers back out before writing the unmount and dummy
records to the log.
This leads to problems when the frozen filesystem is used for snapshots -
we do log recovery on a readonly image and often it appears that the log
image in the snapshot is not correct. Hence we end up with hangs, oops and
mount failures when trying to mount a snapshot image that has been created
when the filesystem has not been correctly frozen.
To fix this, we need to move th metadata flush to after we wait for all
current transactions to complete in teh second stage of the freeze. This
means that when we write the final log records, the log should be clean
and recovery should never occur on a snapshot image created from a frozen
filesystem.
SGI-PV: 959267
SGI-Modid: xfs-linux-melb:xfs-kern:28010a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Donald Douwsma <donaldd@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
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The block reservation mechanism has been broken since the per-cpu
superblock counters were introduced. Make the block reservation code work
with the per-cpu counters by syncing the counters, snapshotting the amount
of available space and then doing a modifcation of the counter state
according to the result. Continue in a loop until we either have no space
available or we reserve some space.
SGI-PV: 956323
SGI-Modid: xfs-linux-melb:xfs-kern:27895a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Tim Shimmin <tes@sgi.com>
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SGI-PV: 959137
SGI-Modid: xfs-linux-melb:xfs-kern:27710a
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Tim Shimmin <tes@sgi.com>
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SGI-PV: 955302
SGI-Modid: xfs-linux-melb:xfs-kern:26907a
Signed-off-by: Nathan Scott <nathans@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
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The fix for recent ENOSPC deadlocks introduced certain limitations on
allocations. The fix could cause xfssyncd to loop endlessly if we did not
leave some space free for the allocator to work correctly. Basically, we
needed to ensure that we had at least 4 blocks free for an AG free list
and a block for the inode bmap btree at all times.
However, this did not take into account the fact that each AG has a free
list that needs 4 blocks. Hence any filesystem with more than one AG could
cause oversubscription of free space and make xfssyncd spin forever trying
to allocate space needed for AG freelists that was not available in the
AG.
The following patch reserves space for the free lists in all AGs plus the
inode bmap btree which prevents oversubscription. It also prevents those
blocks from being reported as free space (as they can never be used) and
makes the SMP in-core superblock accounting code and the reserved block
ioctl respect this requirement.
SGI-PV: 955674
SGI-Modid: xfs-linux-melb:xfs-kern:26894a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: David Chatterton <chatz@sgi.com>
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SGI-PV: 912426
SGI-Modid: xfs-linux-melb:xfs-kern:26622a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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pure bloat.
SGI-PV: 952969
SGI-Modid: xfs-linux-melb:xfs-kern:26251a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 904196
SGI-Modid: xfs-linux-melb:xfs-kern:26201a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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porters.
SGI-PV: 953338
SGI-Modid: xfs-linux-melb:xfs-kern:26108a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 953338
SGI-Modid: xfs-linux-melb:xfs-kern:26107a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 9533338
SGI-Modid: xfs-linux-melb:xfs-kern:26106a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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interface.
SGI-PV: 953338
SGI-Modid: xfs-linux-melb:xfs-kern:26103a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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with remount,ro.
SGI-PV: 951944
SGI-Modid: xfs-linux-melb:xfs-kern:25742a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 912426
SGI-Modid: xfs-linux-melb:xfs-kern:25634a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 951299
SGI-Modid: xfs-linux-melb:xfs-kern:25632a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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these typos.
SGI-PV: 904196
SGI-Modid: xfs-linux-melb:xfs-kern:25539a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 951200
SGI-Modid: xfs-linux-melb:xfs-kern:25535a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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Engelhardt.
SGI-PV: 947038
SGI-Modid: xfs-linux-melb:xfs-kern:25529a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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detected. Thanks to Roger Willcocks.
SGI-PV: 951054
SGI-Modid: xfs-linux-melb:xfs-kern:25477a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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be passed.
SGI-PV: 949073
SGI-Modid: xfs-linux-melb:xfs-kern:25122a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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threads, the incore superblock lock becomes the limiting factor for
buffered write throughput. Make the contended fields in the incore
superblock use per-cpu counters so that there is no global lock to limit
scalability.
SGI-PV: 946630
SGI-Modid: xfs-linux-melb:xfs-kern:25106a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
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actually use it. Kill this dead code. Signed-off-by: Christoph Hellwig
<hch@lst.de>
SGI-PV: 904196
SGI-Modid: xfs-linux-melb:xfs-kern:25086a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 946760
SGI-Modid: xfs-linux-melb:xfs-kern:24765a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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understood.
SGI-PV: 912426
SGI-Modid: xfs-linux-melb:xfs-kern:202962a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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consistent.
SGI-PV: 941645
SGI-Modid: xfs-linux-melb:xfs-kern:202961a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 945483
SGI-Modid: xfs-linux-melb:xfs-kern:202638a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
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filesystem
SGI-PV: 912426
SGI-Modid: xfs-linux-melb:xfs-kern:202355a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
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in showargs.
SGI-PV: 912426
SGI-Modid: xfs-linux-melb:xfs-kern:24383a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 912426
SGI-Modid: xfs-linux-melb:xfs-kern:201981a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
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set default flags.
SGI-PV: 945242
SGI-Modid: xfs-linux-melb:xfs-kern:24292a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 944821
SGI-Modid: xfs-linux:xfs-kern:24213a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 937127
SGI-Modid: xfs-linux:xfs-kern:24201a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 943866
SGI-Modid: xfs-linux:xfs-kern:24030a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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it.
SGI-PV: 941645
SGI-Modid: xfs-linux:xfs-kern:24002a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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code.
SGI-PV: 941645
SGI-Modid: xfs-linux:xfs-kern:23926a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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boilerplate.
SGI-PV: 913862
SGI-Modid: xfs-linux:xfs-kern:23903a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 943122
SGI-Modid: xfs-linux:xfs-kern:23901a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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/proc/mounts.
SGI-PV: 942984
SGI-Modid: xfs-linux:xfs-kern:23862a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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the data/attr forks now grow up/down from either end of the literal area,
rather than dividing the literal area into two chunks and growing both
upward. Means we can now make much more efficient use of the attribute
space, incl. fitting DMF attributes inline in 256 byte inodes, and large
jumps in dbench3 performance numbers. It is self enabling, but can be
forced on/off via the attr2/noattr2 mount options.
SGI-PV: 941645
SGI-Modid: xfs-linux:xfs-kern:23835a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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filesystems to expose the filesystem stripe width in stat(2) rather than
the page cache size. This allows applications requiring high bandwidth to
easily determine the optimum I/O size for the underlying filesystem. The
default is to report the page cache size (i.e. "nolargeio").
SGI-PV: 942818
SGI-Modid: xfs-linux:xfs-kern:23830a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 942815
SGI-Modid: xfs-linux:xfs-kern:23829a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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writes. In addition flush the disk cache on fsync if the sync cached
operation didn't sync the log to disk (this requires some additional
bookeping in the transaction and log code). If the device doesn't claim to
support barriers, the filesystem has an extern log volume or the trial
superblock write with barriers enabled failed we disable barriers and
print a warning. We should probably fail the mount completely, but that
could lead to nasty boot failures for the root filesystem. Not enabled by
default yet, needs more destructive testing first.
SGI-PV: 912426
SGI-Modid: xfs-linux:xfs-kern:198723a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 904196
SGI-Modid: xfs-linux-melb:xfs-kern:23719a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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there..
SGI-PV: 939444
SGI-Modid: xfs-linux:xfs-kern:23162a
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 938306
SGI-Modid: xfs-linux:xfs-kern:194627a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
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SGI-PV: 936977
SGI-Modid: xfs-linux:xfs-kern:193840a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
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