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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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0b61f8a407
Remove the verbose license text from XFS files and replace them
with SPDX tags. This does not change the license of any of the code,
merely refers to the common, up-to-date license files in LICENSES/
This change was mostly scripted. fs/xfs/Makefile and
fs/xfs/libxfs/xfs_fs.h were modified by hand, the rest were detected
and modified by the following command:
for f in `git grep -l "GNU General" fs/xfs/` ; do
echo $f
cat $f | awk -f hdr.awk > $f.new
mv -f $f.new $f
done
And the hdr.awk script that did the modification (including
detecting the difference between GPL-2.0 and GPL-2.0+ licenses)
is as follows:
$ cat hdr.awk
BEGIN {
hdr = 1.0
tag = "GPL-2.0"
str = ""
}
/^ \* This program is free software/ {
hdr = 2.0;
next
}
/any later version./ {
tag = "GPL-2.0+"
next
}
/^ \*\// {
if (hdr > 0.0) {
print "// SPDX-License-Identifier: " tag
print str
print $0
str=""
hdr = 0.0
next
}
print $0
next
}
/^ \* / {
if (hdr > 1.0)
next
if (hdr > 0.0) {
if (str != "")
str = str "\n"
str = str $0
next
}
print $0
next
}
/^ \*/ {
if (hdr > 0.0)
next
print $0
next
}
// {
if (hdr > 0.0) {
if (str != "")
str = str "\n"
str = str $0
next
}
print $0
}
END { }
$
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
100 lines
3.7 KiB
C
100 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2000,2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*/
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#ifndef __XFS_TRANS_SPACE_H__
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#define __XFS_TRANS_SPACE_H__
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/*
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* Components of space reservations.
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*/
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/* Worst case number of rmaps that can be held in a block. */
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#define XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) \
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(((mp)->m_rmap_mxr[0]) - ((mp)->m_rmap_mnr[0]))
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/* Adding one rmap could split every level up to the top of the tree. */
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#define XFS_RMAPADD_SPACE_RES(mp) ((mp)->m_rmap_maxlevels)
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/* Blocks we might need to add "b" rmaps to a tree. */
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#define XFS_NRMAPADD_SPACE_RES(mp, b)\
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(((b + XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp) - 1) / \
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XFS_MAX_CONTIG_RMAPS_PER_BLOCK(mp)) * \
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XFS_RMAPADD_SPACE_RES(mp))
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#define XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) \
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(((mp)->m_alloc_mxr[0]) - ((mp)->m_alloc_mnr[0]))
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#define XFS_EXTENTADD_SPACE_RES(mp,w) (XFS_BM_MAXLEVELS(mp,w) - 1)
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#define XFS_NEXTENTADD_SPACE_RES(mp,b,w)\
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(((b + XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp) - 1) / \
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XFS_MAX_CONTIG_EXTENTS_PER_BLOCK(mp)) * \
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XFS_EXTENTADD_SPACE_RES(mp,w))
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/* Blocks we might need to add "b" mappings & rmappings to a file. */
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#define XFS_SWAP_RMAP_SPACE_RES(mp,b,w)\
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(XFS_NEXTENTADD_SPACE_RES((mp), (b), (w)) + \
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XFS_NRMAPADD_SPACE_RES((mp), (b)))
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#define XFS_DAENTER_1B(mp,w) \
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((w) == XFS_DATA_FORK ? (mp)->m_dir_geo->fsbcount : 1)
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#define XFS_DAENTER_DBS(mp,w) \
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(XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0))
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#define XFS_DAENTER_BLOCKS(mp,w) \
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(XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w))
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#define XFS_DAENTER_BMAP1B(mp,w) \
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XFS_NEXTENTADD_SPACE_RES(mp, XFS_DAENTER_1B(mp, w), w)
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#define XFS_DAENTER_BMAPS(mp,w) \
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(XFS_DAENTER_DBS(mp,w) * XFS_DAENTER_BMAP1B(mp,w))
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#define XFS_DAENTER_SPACE_RES(mp,w) \
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(XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w))
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#define XFS_DAREMOVE_SPACE_RES(mp,w) XFS_DAENTER_BMAPS(mp,w)
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#define XFS_DIRENTER_MAX_SPLIT(mp,nl) 1
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#define XFS_DIRENTER_SPACE_RES(mp,nl) \
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(XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \
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XFS_DIRENTER_MAX_SPLIT(mp,nl))
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#define XFS_DIRREMOVE_SPACE_RES(mp) \
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XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK)
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#define XFS_IALLOC_SPACE_RES(mp) \
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((mp)->m_ialloc_blks + \
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(xfs_sb_version_hasfinobt(&mp->m_sb) ? 2 : 1 * \
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((mp)->m_in_maxlevels - 1)))
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/*
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* Space reservation values for various transactions.
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*/
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#define XFS_ADDAFORK_SPACE_RES(mp) \
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((mp)->m_dir_geo->fsbcount + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))
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#define XFS_ATTRRM_SPACE_RES(mp) \
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XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK)
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/* This macro is not used - see inline code in xfs_attr_set */
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#define XFS_ATTRSET_SPACE_RES(mp, v) \
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(XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK) + XFS_B_TO_FSB(mp, v))
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#define XFS_CREATE_SPACE_RES(mp,nl) \
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(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
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#define XFS_DIOSTRAT_SPACE_RES(mp, v) \
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(XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + (v))
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#define XFS_GROWFS_SPACE_RES(mp) \
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(2 * (mp)->m_ag_maxlevels)
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#define XFS_GROWFSRT_SPACE_RES(mp,b) \
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((b) + XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK))
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#define XFS_LINK_SPACE_RES(mp,nl) \
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XFS_DIRENTER_SPACE_RES(mp,nl)
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#define XFS_MKDIR_SPACE_RES(mp,nl) \
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(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
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#define XFS_QM_DQALLOC_SPACE_RES(mp) \
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(XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK) + \
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XFS_DQUOT_CLUSTER_SIZE_FSB)
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#define XFS_QM_QINOCREATE_SPACE_RES(mp) \
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XFS_IALLOC_SPACE_RES(mp)
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#define XFS_REMOVE_SPACE_RES(mp) \
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XFS_DIRREMOVE_SPACE_RES(mp)
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#define XFS_RENAME_SPACE_RES(mp,nl) \
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(XFS_DIRREMOVE_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl))
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#define XFS_SYMLINK_SPACE_RES(mp,nl,b) \
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(XFS_IALLOC_SPACE_RES(mp) + XFS_DIRENTER_SPACE_RES(mp,nl) + (b))
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#define XFS_IFREE_SPACE_RES(mp) \
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(xfs_sb_version_hasfinobt(&mp->m_sb) ? (mp)->m_in_maxlevels : 0)
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#endif /* __XFS_TRANS_SPACE_H__ */
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