forked from luck/tmp_suning_uos_patched
a205f0c974
- Strengthen metadata checking to avoid ASSERTing on bad disk contents
- Validate btree records that are being retrieved for clients
- Strengthen root inode verification
- Convert license blurbs to SPDX tags
- Enable changing DAX flag on directories
- Fix some writeback deadlocks in reflink
- Refactor out some old xfs helpers
- Move type verifiers to a separate file
- Fix some fuzzer crashes
- Various other bug fixes
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Merge tag 'xfs-4.18-merge-10' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull more xfs updates from Darrick Wong:
"Here's the second round of patches for XFS for 4.18. Most of the
commits are small cleanups, bug fixes, and continued strengthening of
metadata verifiers; the bulk of the diff is the conversion of the
fs/xfs/ tree to use SPDX tags.
This series has been run through a full xfstests run over the weekend
and through a quick xfstests run against this morning's master, with
no major failures reported.
Summary:
- Strengthen metadata checking to avoid ASSERTing on bad disk
contents
- Validate btree records that are being retrieved for clients
- Strengthen root inode verification
- Convert license blurbs to SPDX tags
- Enable changing DAX flag on directories
- Fix some writeback deadlocks in reflink
- Refactor out some old xfs helpers
- Move type verifiers to a separate file
- Fix some fuzzer crashes
- Various other bug fixes"
* tag 'xfs-4.18-merge-10' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (31 commits)
xfs: update incore per-AG inode count
xfs: replace do_mod with native operations
xfs: don't call xfs_da_shrink_inode with NULL bp
xfs: clean up MIN/MAX
xfs: move various type verifiers to common file
xfs: xfs_reflink_convert_cow() memory allocation deadlock
xfs: setup VFS i_rwsem lockdep state correctly
xfs: fix string handling in label get/set functions
xfs: convert to SPDX license tags
xfs: validate btree records on retrieval
xfs: push corruption -> ESTALE conversion to xfs_nfs_get_inode()
xfs: verify root inode more thoroughly
xfs: verify COW extent size hint is valid in inode verifier
xfs: verify extent size hint is valid in inode verifier
xfs: catch bad stripe alignment configurations
iomap: fsync swap files before iterating mappings
xfs: use xfs_trans_getsb in xfs_sync_sb_buf
xfs: don't assert on corrupted unlinked inode list
xfs: explicitly pass buffer size to xfs_corruption_error
xfs: don't assert when on-disk btree pointers are garbage
...
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2005-2006 Silicon Graphics, Inc.
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* All Rights Reserved.
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*/
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#ifndef __XFS_AOPS_H__
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#define __XFS_AOPS_H__
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extern struct bio_set xfs_ioend_bioset;
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/*
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* Types of I/O for bmap clustering and I/O completion tracking.
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*/
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enum {
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XFS_IO_INVALID, /* initial state */
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XFS_IO_DELALLOC, /* covers delalloc region */
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XFS_IO_UNWRITTEN, /* covers allocated but uninitialized data */
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XFS_IO_OVERWRITE, /* covers already allocated extent */
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XFS_IO_COW, /* covers copy-on-write extent */
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};
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#define XFS_IO_TYPES \
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{ XFS_IO_INVALID, "invalid" }, \
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{ XFS_IO_DELALLOC, "delalloc" }, \
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{ XFS_IO_UNWRITTEN, "unwritten" }, \
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{ XFS_IO_OVERWRITE, "overwrite" }, \
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{ XFS_IO_COW, "CoW" }
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/*
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* Structure for buffered I/O completions.
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*/
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struct xfs_ioend {
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struct list_head io_list; /* next ioend in chain */
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unsigned int io_type; /* delalloc / unwritten */
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struct inode *io_inode; /* file being written to */
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size_t io_size; /* size of the extent */
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xfs_off_t io_offset; /* offset in the file */
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struct work_struct io_work; /* xfsdatad work queue */
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struct xfs_trans *io_append_trans;/* xact. for size update */
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struct bio *io_bio; /* bio being built */
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struct bio io_inline_bio; /* MUST BE LAST! */
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};
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extern const struct address_space_operations xfs_address_space_operations;
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extern const struct address_space_operations xfs_dax_aops;
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int xfs_setfilesize(struct xfs_inode *ip, xfs_off_t offset, size_t size);
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extern void xfs_count_page_state(struct page *, int *, int *);
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extern struct block_device *xfs_find_bdev_for_inode(struct inode *);
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extern struct dax_device *xfs_find_daxdev_for_inode(struct inode *);
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#endif /* __XFS_AOPS_H__ */
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