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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>
144 lines
4.4 KiB
C
144 lines
4.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2017 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_SCRUB_SCRUB_H__
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#define __XFS_SCRUB_SCRUB_H__
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struct xfs_scrub_context;
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/* Type info and names for the scrub types. */
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enum xfs_scrub_type {
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ST_NONE = 1, /* disabled */
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ST_PERAG, /* per-AG metadata */
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ST_FS, /* per-FS metadata */
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ST_INODE, /* per-inode metadata */
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};
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struct xfs_scrub_meta_ops {
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/* Acquire whatever resources are needed for the operation. */
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int (*setup)(struct xfs_scrub_context *,
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struct xfs_inode *);
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/* Examine metadata for errors. */
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int (*scrub)(struct xfs_scrub_context *);
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/* Repair or optimize the metadata. */
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int (*repair)(struct xfs_scrub_context *);
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/* Decide if we even have this piece of metadata. */
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bool (*has)(struct xfs_sb *);
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/* type describing required/allowed inputs */
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enum xfs_scrub_type type;
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};
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/* Buffer pointers and btree cursors for an entire AG. */
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struct xfs_scrub_ag {
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xfs_agnumber_t agno;
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struct xfs_perag *pag;
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/* AG btree roots */
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struct xfs_buf *agf_bp;
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struct xfs_buf *agfl_bp;
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struct xfs_buf *agi_bp;
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/* AG btrees */
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struct xfs_btree_cur *bno_cur;
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struct xfs_btree_cur *cnt_cur;
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struct xfs_btree_cur *ino_cur;
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struct xfs_btree_cur *fino_cur;
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struct xfs_btree_cur *rmap_cur;
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struct xfs_btree_cur *refc_cur;
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};
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struct xfs_scrub_context {
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/* General scrub state. */
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struct xfs_mount *mp;
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struct xfs_scrub_metadata *sm;
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const struct xfs_scrub_meta_ops *ops;
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struct xfs_trans *tp;
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struct xfs_inode *ip;
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void *buf;
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uint ilock_flags;
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bool try_harder;
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bool has_quotaofflock;
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/* State tracking for single-AG operations. */
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struct xfs_scrub_ag sa;
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};
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/* Metadata scrubbers */
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int xfs_scrub_tester(struct xfs_scrub_context *sc);
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int xfs_scrub_superblock(struct xfs_scrub_context *sc);
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int xfs_scrub_agf(struct xfs_scrub_context *sc);
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int xfs_scrub_agfl(struct xfs_scrub_context *sc);
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int xfs_scrub_agi(struct xfs_scrub_context *sc);
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int xfs_scrub_bnobt(struct xfs_scrub_context *sc);
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int xfs_scrub_cntbt(struct xfs_scrub_context *sc);
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int xfs_scrub_inobt(struct xfs_scrub_context *sc);
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int xfs_scrub_finobt(struct xfs_scrub_context *sc);
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int xfs_scrub_rmapbt(struct xfs_scrub_context *sc);
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int xfs_scrub_refcountbt(struct xfs_scrub_context *sc);
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int xfs_scrub_inode(struct xfs_scrub_context *sc);
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int xfs_scrub_bmap_data(struct xfs_scrub_context *sc);
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int xfs_scrub_bmap_attr(struct xfs_scrub_context *sc);
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int xfs_scrub_bmap_cow(struct xfs_scrub_context *sc);
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int xfs_scrub_directory(struct xfs_scrub_context *sc);
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int xfs_scrub_xattr(struct xfs_scrub_context *sc);
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int xfs_scrub_symlink(struct xfs_scrub_context *sc);
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int xfs_scrub_parent(struct xfs_scrub_context *sc);
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#ifdef CONFIG_XFS_RT
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int xfs_scrub_rtbitmap(struct xfs_scrub_context *sc);
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int xfs_scrub_rtsummary(struct xfs_scrub_context *sc);
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#else
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static inline int
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xfs_scrub_rtbitmap(struct xfs_scrub_context *sc)
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{
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return -ENOENT;
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}
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static inline int
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xfs_scrub_rtsummary(struct xfs_scrub_context *sc)
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{
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return -ENOENT;
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}
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#endif
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#ifdef CONFIG_XFS_QUOTA
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int xfs_scrub_quota(struct xfs_scrub_context *sc);
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#else
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static inline int
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xfs_scrub_quota(struct xfs_scrub_context *sc)
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{
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return -ENOENT;
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}
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#endif
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/* cross-referencing helpers */
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void xfs_scrub_xref_is_used_space(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len);
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void xfs_scrub_xref_is_not_inode_chunk(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len);
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void xfs_scrub_xref_is_inode_chunk(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len);
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void xfs_scrub_xref_is_owned_by(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len,
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struct xfs_owner_info *oinfo);
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void xfs_scrub_xref_is_not_owned_by(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len,
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struct xfs_owner_info *oinfo);
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void xfs_scrub_xref_has_no_owner(struct xfs_scrub_context *sc,
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xfs_agblock_t agbno, xfs_extlen_t len);
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void xfs_scrub_xref_is_cow_staging(struct xfs_scrub_context *sc,
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xfs_agblock_t bno, xfs_extlen_t len);
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void xfs_scrub_xref_is_not_shared(struct xfs_scrub_context *sc,
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xfs_agblock_t bno, xfs_extlen_t len);
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#ifdef CONFIG_XFS_RT
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void xfs_scrub_xref_is_used_rt_space(struct xfs_scrub_context *sc,
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xfs_rtblock_t rtbno, xfs_extlen_t len);
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#else
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# define xfs_scrub_xref_is_used_rt_space(sc, rtbno, len) do { } while (0)
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#endif
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#endif /* __XFS_SCRUB_SCRUB_H__ */
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