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commit 53801fd97ae000793f51187b122b9475102199a8
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:01:42 2014 +1000
xfs: enable the finobt feature on v5 superblocks
Add the finobt feature bit to the list of known features. As of
this point, the kernel code knows how to mount and manage both
finobt and non-finobt formatted filesystems.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 0c153c1e4326725e9d5e9de6a25fe8ec2353d5ee
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:01:41 2014 +1000
xfs: report finobt status in fs geometry
Define the XFS_FSOP_GEOM_FLAGS_FINOBT fs geometry flag and set the
associated bit if the filesystem supports the free inode btree.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit a3fa516dd81c49d9c276f59d57ed6e36aaefbe1d
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:01:39 2014 +1000
xfs: add finobt support to growfs
Add finobt support to growfs. Initialize the agi root/level fields
and the root finobt block.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 3efa4ffd58a04f859713daaf910f1f1ff8ef647f
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:00:53 2014 +1000
xfs: update the finobt on inode free
An inode free operation can have several effects on the finobt. If
all inodes have been freed and the chunk deallocated, we remove the
finobt record. If the inode chunk was previously full, we must
insert a new record based on the existing inobt record. Otherwise,
we modify the record in place.
Create the xfs_difree_finobt() function to identify the potential
scenarios and update the finobt appropriately.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 2b64ee5cdc106704b5c0f8954a52aa598eee25eb
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:00:53 2014 +1000
xfs: refactor xfs_difree() inobt bits into xfs_difree_inobt() helper
Refactor xfs_difree() in preparation for the finobt. xfs_difree()
performs the validity checks against the ag and reads the agi
header. The work of physically updating the inode allocation btree
is pushed down into the new xfs_difree_inobt() helper.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 6dd8638e4e8764e0d6557fc62840a815a99c136d
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:00:53 2014 +1000
xfs: use and update the finobt on inode allocation
Replace xfs_dialloc_ag() with an implementation that looks for a
record in the finobt. The finobt only tracks records with at least
one free inode. This eliminates the need for the intra-ag scan in
the original algorithm. Once the inode is allocated, update the
finobt appropriately (possibly removing the record) as well as the
inobt.
Move the original xfs_dialloc_ag() algorithm to
xfs_dialloc_ag_inobt() and fall back as such if finobt support is
not enabled.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 0aa0a756ec255cfc8b733fe0d8993c1758b1240c
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:00:53 2014 +1000
xfs: insert newly allocated inode chunks into the finobt
A newly allocated inode chunk, by definition, has at least one
free inode, so a record is always inserted into the finobt.
Create the xfs_inobt_insert() helper from existing code to insert
a record in an inobt based on the provided BTNUM. Update
xfs_ialloc_ag_alloc() to invoke the helper for the existing
XFS_BTNUM_INO tree and XFS_BTNUM_FINO tree, if enabled.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 9d43b180af67cccd4bd1342f7f54f8131515b0a1
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:00:52 2014 +1000
xfs: update inode allocation/free transaction reservations for finobt
Create the xfs_calc_finobt_res() helper to calculate the finobt log
reservation for inode allocation and free. Update
XFS_IALLOC_SPACE_RES() to reserve blocks for the additional finobt
insertion on inode allocation. Create XFS_IFREE_SPACE_RES() to
reserve blocks for the potential finobt record insertion on inode
free (i.e., if an inode chunk was previously fully allocated).
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit aafc3c24652924ea951d215d04a3f42e832e9d7d
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:00:52 2014 +1000
xfs: support the XFS_BTNUM_FINOBT free inode btree type
Define the AGI fields for the finobt root/level and add magic
numbers. Update the btree code to add support for the new
XFS_BTNUM_FINOBT inode btree.
The finobt root block is reserved immediately following the inobt
root block in the AG. Update XFS_PREALLOC_BLOCKS() to determine the
starting AG data block based on whether finobt support is enabled.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 8e2c84df20aa66ae9a6ee32831a9c622f4823118
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:00:52 2014 +1000
xfs: reserve v5 superblock read-only compat. feature bit for finobt
Reserve a v5 read-only compatibility feature bit for the finobt and
create the xfs_sb_version_hasfinobt() helper to determine whether
an fs has the feature enabled.
The finobt does not change existing on-disk structures, but must
remain consistent with the ialloc btree. Modifications from older
kernels would violate that constrant. Therefore, we restrict older
kernels to read-only mounts of finobt-enabled filesystems.
Note that this does not yet enable the ability to rw mount a finobt
fs (by setting the feature bit in the XFS_SB_FEAT_RO_COMPAT_ALL
mask).
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
commit 57bd3dbe4059c6fff7e39927e5aa789dfb2585b9
Author: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu Apr 24 16:00:50 2014 +1000
xfs: refactor xfs_ialloc_btree.c to support multiple inobt numbers
The introduction of the free inode btree (finobt) requires that
xfs_ialloc_btree.c handle multiple trees. Refactor xfs_ialloc_btree.c
so the caller specifies the btree type on cursor initialization to
prepare for addition of the finobt.
Signed-off-by: Brian Foster <bfoster@xxxxxxxxxx>
Reviewed-by: Dave Chinner <david@xxxxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Dave Chinner <david@xxxxxxxxxxxxx>
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