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https://github.com/AuxXxilium/linux_dsm_epyc7002.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>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2016 Oracle. All Rights Reserved.
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* Author: Darrick J. Wong <darrick.wong@oracle.com>
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*/
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#ifndef __XFS_REFCOUNT_BTREE_H__
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#define __XFS_REFCOUNT_BTREE_H__
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/*
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* Reference Count Btree on-disk structures
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*/
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struct xfs_buf;
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struct xfs_btree_cur;
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struct xfs_mount;
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/*
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* Btree block header size
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*/
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#define XFS_REFCOUNT_BLOCK_LEN XFS_BTREE_SBLOCK_CRC_LEN
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/*
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* Record, key, and pointer address macros for btree blocks.
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*
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* (note that some of these may appear unused, but they are used in userspace)
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*/
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#define XFS_REFCOUNT_REC_ADDR(block, index) \
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((struct xfs_refcount_rec *) \
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((char *)(block) + \
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XFS_REFCOUNT_BLOCK_LEN + \
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(((index) - 1) * sizeof(struct xfs_refcount_rec))))
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#define XFS_REFCOUNT_KEY_ADDR(block, index) \
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((struct xfs_refcount_key *) \
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((char *)(block) + \
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XFS_REFCOUNT_BLOCK_LEN + \
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((index) - 1) * sizeof(struct xfs_refcount_key)))
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#define XFS_REFCOUNT_PTR_ADDR(block, index, maxrecs) \
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((xfs_refcount_ptr_t *) \
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((char *)(block) + \
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XFS_REFCOUNT_BLOCK_LEN + \
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(maxrecs) * sizeof(struct xfs_refcount_key) + \
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((index) - 1) * sizeof(xfs_refcount_ptr_t)))
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extern struct xfs_btree_cur *xfs_refcountbt_init_cursor(struct xfs_mount *mp,
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struct xfs_trans *tp, struct xfs_buf *agbp, xfs_agnumber_t agno,
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struct xfs_defer_ops *dfops);
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extern int xfs_refcountbt_maxrecs(int blocklen, bool leaf);
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extern void xfs_refcountbt_compute_maxlevels(struct xfs_mount *mp);
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extern xfs_extlen_t xfs_refcountbt_calc_size(struct xfs_mount *mp,
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unsigned long long len);
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extern xfs_extlen_t xfs_refcountbt_max_size(struct xfs_mount *mp,
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xfs_agblock_t agblocks);
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extern int xfs_refcountbt_calc_reserves(struct xfs_mount *mp,
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xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used);
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#endif /* __XFS_REFCOUNT_BTREE_H__ */
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