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Remove this single-use helper.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Pass the incore refcount intent structure to the tracepoints instead of
open-coding the argument passing.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Pass the incore refcount intent through the CUI logging code instead of
repeatedly boxing and unboxing parameters. We'll clean up the
tracepoints shortly.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Prepare the rest of refcount btree tracepoints for use with realtime
reflink by making them take the btree cursor object as a parameter.
This will save us a lot of trouble later on.
Remove the xfs_refcount_recover_extent tracepoint since it's already
covered by other refcount tracepoints.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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The only user of the "ag" tracepoint event classes is the refcount
btree, so rename them to make that obvious and make them take the btree
cursor to simplify the arguments. This will save us a lot of trouble
later on.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Convert all the refcount tracepoints to use the btree error tracepoint
class.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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All callers pass NULL here, so eliminate the unnecessary argument.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Don't allow inode allocations from this group if it's marked noalloc.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Add an administrative interface so that userspace can hide an allocation
group from block allocation.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Create a new noalloc state for the per-AG structure that will disable
block allocation in this AG. We accomplish this by subtracting from
fdblocks all the free blocks in this AG, hiding those blocks from the
allocator, and preventing freed blocks from updating fdblocks until
we're ready to lift noalloc mode.
Note that we reduce the free block count of the filesystem so that we
can prevent transactions from entering the allocator looking for "free"
space that we've turned off incore.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Compact the flags in the per-ag structure so that we use less space.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Repair the realtime rmap btree while mounted.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Rebuild the realtime bitmap from the realtime rmap btree.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Plumb into the inode core repair code the ability to search for extents
on realtime devices.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Repair the block mappings of realtime files.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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When we're rebuilding the data device rmap, if we encounter an "rmap"
format fork, we have to walk the (realtime) rmap btree inode to build
the appropriate mappings.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Teach the bmbt scrubber how to perform a comprehensive check that the
rmapbt does not contain /any/ mappings that are not described by bmbt
records when it's dealing with a realtime file.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Teach the data fork and realtime bitmap scrubbers to cross-reference
information with the realtime rmap btree.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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When we're checking the realtime rmap btree entries, cross-reference
those entries with the realtime bitmap too.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Check the realtime reverse mapping btree against the rtbitmap, and
modify the rtbitmap scrub to check against the rtrmapbt.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Fix a couple of minor mistakes in the scrub tracepoints that can
manifest when inode-rooted btrees are enabled. The existing code worked
fine for bmap btrees, but we should tighten the code up to be less
sloppy.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Whenever we encounter corrupt realtime rmap btree blocks, we should
report that to the health monitoring system for later reporting.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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If we're adding a realtime section to the filesystem, create the rt rmap
btree inode before we start adding rt space.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Connect the getfsmap ioctl to the realtime rmapbt.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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The order of the functions in this file has gotten a little confusing
over the years. Specifically, the two data device implementations
(bnobt and rmapbt) could be adjacent in the source code instead of split
in two by the logdev and rtdev fsmap implementations. We're about to
add more functionality to this file, so rearrange things now.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Variable names in this code module are inconsistent and confusing.
xfs_map_extent describe file mappings, so rename them "map".
xfs_rmap_intents describe block mapping intents, so rename them "ri".
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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The size of filesystem transaction reservations depends on the maximum
height (maxlevels) of the realtime btrees. Since we don't want a grow
operation to increase the reservation size enough that we'll fail the
minimum log size checks on the next mount, constrain growfs operations
if they would cause an increase in those maxlevels.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Create a library routine to allocate and initialize an empty realtime
rmapbt inode. We'll use this for mkfs and repair.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Connect the map and unmap reverse-mapping operations to the realtime
rmapbt via the deferred operation callbacks. This enables us to
perform rmap operations against the correct btree.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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When rmap is enabled, XFS expects a certain order of operations, which
is: 1) remove the file mapping, 2) remove the reverse mapping, and then
3) free the blocks. xfs_bmap_del_extent_real tries to do 1 and 3 in the
same transaction, which means that when rtrmap is enabled, we have to
use realtime EFIs to maintain the expected order.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Plumb in the pieces we need to embed the root of the realtime rmap
btree in an inode's data fork, complete with new fork type and
on-disk interpretation functions.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Reserve some free blocks so that we will always have enough free blocks
in the data volume to handle expansion of the realtime rmap btree.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Add a metadir path to select the realtime rmap btree inode and load
it at mount time. The rtrmapbt inode will have a unique extent format
code, which means that we also have to update the inode validation and
flush routines to look for it.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Attach dquots to the realtime metadata files when starting up quotas,
since the resources used by them are charged to the root dquot.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Identify rtrmapbt blocks in the log correctly so that we can
validate them during log recovery.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Now that we have rmap on the realtime device, log recovery has to
support remapping extents on the realtime volume. Make this work.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Extend the rmap update (RUI) log items with a new realtime flag that
indicates that the updates apply against the realtime rmapbt. We'll
wire up the actual rmap code later.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Prepare the high-level rmap functions to deal with the new realtime
rmapbt and its slightly different conventions. Provide the ability
to talk to either rmapbt or rtrmapbt formats from the same high
level code.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Implement the generic btree operations needed to manipulate rtrmap
btree blocks. This is different from the regular rmapbt in that we
allocate space from the filesystem at large, and are neither
constrained to the free space nor any particular AG.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Make sure that there's enough log reservation to handle mapping
and unmapping realtime extents. We have to reserve enough space
to handle a split in the rtrmapbt to add the record and a second
split in the regular rmapbt to record the rtrmapbt split.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Start filling out the rtrmap btree implementation. Start with the
on-disk btree format; add everything needed to read, write and
manipulate rmap btree blocks. This prepares the way for connecting the
btree operations implementation.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Add new realtime rmap btree definitions. The realtime rmap btree will
be rooted from a hidden inode, but has its own shape and therefore
needs to have most of its own separate types.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Change the startblock and blockcount fields of xfs_rmap_irec to be 64
bits wide. This enables us to use the same high level rmap code for
either tree. We'll also collect all the resulting breakage fixes here.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Remove this single-use helper.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Pass the incore rmap structure to the tracepoints instead of open-coding
the argument passing.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Pass the incore rmap space mapping through the RUI logging code instead
of repeatedly boxing and unboxing parameters. We'll clean up the
tracepoints shortly.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Prepare the rmap btree tracepoints for use with realtime rmap btrees by
making them take the btree cursor object as a parameter. This will save
us a lot of trouble later on.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Create a new tracepoint class for btree-related errors, then convert all
the rmap tracepoints to use it. Also fix the one tracepoint that was
abusing the old class by making it a separate tracepoint.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Rework xfs_btree_compute_maxlevels to handle larger record counts, since
we're about to add support for very large indices for the realtime rmap
btree.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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