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Subject[GIT PULL] xfs: new code for 5.13
Hi Linus,

Please pull the following branch containing new xfs code for 5.13. The
notable user-visible addition this cycle is ability to remove space from
the last AG in a filesystem. This is the first of many changes needed
for full-fledged support for shrinking a filesystem. Still needed are
(a) the ability to reorganize files and metadata away from the end of
the fs; (b) the ability to remove entire allocation groups; (c) shrink
support for realtime volumes; and (d) thorough testing of (a-c).

There are a number of performance improvements in this code drop: Dave
streamlined various parts of the buffer logging code and reduced the
cost of various debugging checks, and added the ability to pre-create
the xattr structures while creating files. Brian eliminated transaction
reservations that were being held across writeback (thus reducing
livelock potential.

Other random pieces: Pavel fixed the repetitve warnings about deprecated
mount options, I fixed online fsck to behave itself when a readonly
remount comes in during scrub, and refactored various other parts of
that code, Christoph contributed a lot of refactoring this cycle. The
xfs_icdinode structure has been absorbed into the (incore) xfs_inode
structure, and the format and flags handling around xfs_inode_fork
structures has been simplified. Chandan provided a number of fixes for
extent count overflow related problems that have been shaken out by
debugging knobs added during 5.12.

Unfortunately, some of our refactoring work collided with Miklos'
patchset that refactors FS_IOC_[GS]ETFLAGS and FS_IOC_FS[GS]ETXATTR.
The functions xfs_ioc_fssetxattr, xfs_ioc_getxflags, and
xfs_ioc_setxflags remain unnecessary and should remain removed.
The rest of the conflicts can be resolved with this patch:

diff --cc fs/xfs/xfs_ioctl.c
index bbda105a2ce5,bf490bfae6cb..000000000000
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@@ -1057,17 -1056,77 +1057,19 @@@ xfs_ioc_ag_geometry
static void
xfs_fill_fsxattr(
struct xfs_inode *ip,
- bool attr,
- struct fsxattr *fa)
+ int whichfork,
+ struct fileattr *fa)
{
+ struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp = attr ? ip->i_afp : &ip->i_df;
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);

- simple_fill_fsxattr(fa, xfs_ip2xflags(ip));
+ fileattr_fill_xflags(fa, xfs_ip2xflags(ip));
- fa->fsx_extsize = ip->i_d.di_extsize << ip->i_mount->m_sb.sb_blocklog;
- fa->fsx_cowextsize = ip->i_d.di_cowextsize <<
- ip->i_mount->m_sb.sb_blocklog;
- fa->fsx_projid = ip->i_d.di_projid;
- if (ifp && (ifp->if_flags & XFS_IFEXTENTS))
+
+ fa->fsx_extsize = XFS_FSB_TO_B(mp, ip->i_extsize);
+ if (ip->i_diflags2 & XFS_DIFLAG2_COWEXTSIZE)
+ fa->fsx_cowextsize = XFS_FSB_TO_B(mp, ip->i_cowextsize);
+ fa->fsx_projid = ip->i_projid;
+ if (ifp && !xfs_need_iread_extents(ifp))
fa->fsx_nextents = xfs_iext_count(ifp);
else
fa->fsx_nextents = xfs_ifork_nextents(ifp);
@@@ -1167,10 -1212,10 +1169,10 @@@ static in
xfs_ioctl_setattr_xflags(
struct xfs_trans *tp,
struct xfs_inode *ip,
- struct fsxattr *fa)
+ struct fileattr *fa)
{
struct xfs_mount *mp = ip->i_mount;
- uint64_t di_flags2;
+ uint64_t i_flags2;

/* Can't change realtime flag if any extents are allocated. */
if ((ip->i_df.if_nextents || ip->i_delayed_blks) &&
@@@ -1289,11 -1348,8 +1291,11 @@@ xfs_ioctl_setattr_check_extsize
xfs_extlen_t size;
xfs_fsblock_t extsize_fsb;

+ if (!fa->fsx_valid)
+ return 0;
+
if (S_ISREG(VFS_I(ip)->i_mode) && ip->i_df.if_nextents &&
- ((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) != fa->fsx_extsize))
+ ((ip->i_extsize << mp->m_sb.sb_blocklog) != fa->fsx_extsize))
return -EINVAL;

if (fa->fsx_extsize == 0)
@@@ -1476,18 -1520,18 +1478,19 @@@ xfs_fileattr_set
* extent size hint should be set on the inode. If no extent size flags
* are set on the inode then unconditionally clear the extent size hint.
*/
- if (ip->i_d.di_flags & (XFS_DIFLAG_EXTSIZE | XFS_DIFLAG_EXTSZINHERIT))
- ip->i_d.di_extsize = fa->fsx_extsize >> mp->m_sb.sb_blocklog;
+ if (ip->i_diflags & (XFS_DIFLAG_EXTSIZE | XFS_DIFLAG_EXTSZINHERIT))
+ ip->i_extsize = XFS_B_TO_FSB(mp, fa->fsx_extsize);
else
- ip->i_d.di_extsize = 0;
- if (xfs_sb_version_has_v3inode(&mp->m_sb) &&
- (ip->i_d.di_flags2 & XFS_DIFLAG2_COWEXTSIZE))
- ip->i_d.di_cowextsize = fa->fsx_cowextsize >>
- mp->m_sb.sb_blocklog;
- else
- ip->i_d.di_cowextsize = 0;
+ ip->i_extsize = 0;
+
+ if (xfs_sb_version_has_v3inode(&mp->m_sb)) {
+ if (ip->i_diflags2 & XFS_DIFLAG2_COWEXTSIZE)
+ ip->i_cowextsize = XFS_B_TO_FSB(mp, fa->fsx_cowextsize);
+ else
+ ip->i_cowextsize = 0;
+ }

+skip_xattr:
error = xfs_trans_commit(tp);

/*

With the conflicts resolved, the tree builds and seems to pass the
fstests run that I did. Please let me know if anything else strange
happens during the merge process.

I anticipate a second pull request next week for some minor code
cleanups and numerous bug fixes.

--D

The following changes since commit 0d02ec6b3136c73c09e7859f0d0e4e2c4c07b49b:

Linux 5.12-rc4 (2021-03-21 14:56:43 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git tags/xfs-5.13-merge-3

for you to fetch changes up to 76adf92a30f3b92a7f91bb00b28ea80efccd0f01:

xfs: remove xfs_quiesce_attr declaration (2021-04-16 08:28:36 -0700)

----------------------------------------------------------------
New code for 5.13:
- Various minor fixes in online scrub.
- Prevent metadata files from being automatically inactivated.
- Validate btree heights by the computed per-btree limits.
- Don't warn about remounting with deprecated mount options.
- Initialize attr forks at create time if we suspect we're going to need
to store them.
- Reduce memory reallocation workouts in the logging code.
- Fix some theoretical math calculation errors in logged buffers that
span multiple discontig memory ranges but contiguous ondisk regions.
- Speedups in dirty buffer bitmap handling.
- Make type verifier functions more inline-happy to reduce overhead.
- Reduce debug overhead in directory checking code.
- Many many typo fixes.
- Begin to handle the permanent loss of the very end of a filesystem.
- Fold struct xfs_icdinode into xfs_inode.
- Deprecate the long defunct BMV_IF_NO_DMAPI_READ from the bmapx ioctl.
- Remove a broken directory block format check from online scrub.
- Fix a bug where we could produce an unnecessarily tall data fork btree
when creating an attr fork.
- Fix scrub and readonly remounts racing.
- Fix a writeback ioend log deadlock problem by dropping the behavior
where we could preallocate a setfilesize transaction.
- Fix some bugs in the new extent count checking code.
- Fix some bugs in the attr fork preallocation code.
- Refactor if_flags out of the incore inode fork data structure.

----------------------------------------------------------------
Anthony Iliopoulos (2):
xfs: fix xfs_trans slab cache name
xfs: deprecate BMV_IF_NO_DMAPI_READ flag

Bhaskar Chowdhury (3):
xfs: Rudimentary typo fixes
xfs: Rudimentary spelling fix
xfs: Fix a typo

Brian Foster (4):
xfs: drop submit side trans alloc for append ioends
xfs: open code ioend needs workqueue helper
xfs: drop unused ioend private merge and setfilesize code
xfs: drop unnecessary setfilesize helper

Chandan Babu R (5):
xfs: Fix dax inode extent calculation when direct write is performed on an unwritten extent
xfs: Initialize xfs_alloc_arg->total correctly when allocating minlen extents
xfs: scrub: Remove incorrect check executed on block format directories
xfs: Use struct xfs_bmdr_block instead of struct xfs_btree_block to calculate root node size
xfs: scrub: Disable check for unoptimized data fork bmbt node

Christoph Hellwig (27):
xfs: split xfs_imap_to_bp
xfs: consistently initialize di_flags2
xfs: handle crtime more carefully in xfs_bulkstat_one_int
xfs: remove the unused xfs_icdinode_has_bigtime helper
xfs: remove the di_dmevmask and di_dmstate fields from struct xfs_icdinode
xfs: don't clear the "dinode core" in xfs_inode_alloc
xfs: move the di_projid field to struct xfs_inode
xfs: move the di_size field to struct xfs_inode
xfs: move the di_nblocks field to struct xfs_inode
xfs: move the di_extsize field to struct xfs_inode
xfs: move the di_cowextsize field to struct xfs_inode
xfs: move the di_flushiter field to struct xfs_inode
xfs: cleanup xfs_fill_fsxattr
xfs: use XFS_B_TO_FSB in xfs_ioctl_setattr
xfs: use a union for i_cowextsize and i_flushiter
xfs: move the di_forkoff field to struct xfs_inode
xfs: move the di_flags field to struct xfs_inode
xfs: move the di_flags2 field to struct xfs_inode
xfs: move the di_crtime field to struct xfs_inode
xfs: merge _xfs_dic2xflags into xfs_ip2xflags
xfs: move the XFS_IFEXTENTS check into xfs_iread_extents
xfs: rename and simplify xfs_bmap_one_block
xfs: simplify xfs_attr_remove_args
xfs: only look at the fork format in xfs_idestroy_fork
xfs: remove XFS_IFBROOT
xfs: remove XFS_IFINLINE
xfs: remove XFS_IFEXTENTS

Colin Ian King (1):
xfs: fix return of uninitialized value in variable error

Darrick J. Wong (15):
xfs: drop freeze protection when running GETFSMAP
xfs: fix uninitialized variables in xrep_calc_ag_resblks
xfs: fix dquot scrub loop cancellation
xfs: bail out of scrub immediately if scan incomplete
xfs: mark a data structure sick if there are cross-referencing errors
xfs: set the scrub AG number in xchk_ag_read_headers
xfs: remove return value from xchk_ag_btcur_init
xfs: validate ag btree levels using the precomputed values
xfs: prevent metadata files from being inactivated
xfs: rename the blockgc workqueue
xfs: move the xfs_can_free_eofblocks call under the IOLOCK
xfs: move the check for post-EOF mappings into xfs_can_free_eofblocks
xfs: fix scrub and remount-ro protection when running scrub
xfs: get rid of the ip parameter to xchk_setup_*
xfs: remove xfs_quiesce_attr declaration

Dave Chinner (12):
xfs: initialise attr fork on inode create
xfs: reduce buffer log item shadow allocations
xfs: xfs_buf_item_size_segment() needs to pass segment offset
xfs: optimise xfs_buf_item_size/format for contiguous regions
xfs: type verification is expensive
xfs: No need for inode number error injection in __xfs_dir3_data_check
xfs: reduce debug overhead of dir leaf/node checks
xfs: __percpu_counter_compare() inode count debug too expensive
xfs: eager inode attr fork init needs attr feature awareness
xfs: inode fork allocation depends on XFS_IFEXTENT flag
xfs: default attr fork size does not handle device inodes
xfs: precalculate default inode attribute offset

Gao Xiang (6):
xfs: ensure xfs_errortag_random_default matches XFS_ERRTAG_MAX
xfs: update lazy sb counters immediately for resizefs
xfs: hoist out xfs_resizefs_init_new_ags()
xfs: introduce xfs_ag_shrink_space()
xfs: support shrinking unused space in the last AG
xfs: add error injection for per-AG resv failure

Pavel Reichl (2):
xfs: rename variable mp to parsing_mp
xfs: Skip repetitive warnings about mount options

Documentation/admin-guide/xfs.rst | 2 +-
fs/xfs/libxfs/xfs_ag.c | 115 +++++++++++++++++
fs/xfs/libxfs/xfs_ag.h | 2 +
fs/xfs/libxfs/xfs_ag_resv.c | 6 +-
fs/xfs/libxfs/xfs_alloc.c | 8 +-
fs/xfs/libxfs/xfs_attr.c | 54 +++++---
fs/xfs/libxfs/xfs_attr.h | 1 +
fs/xfs/libxfs/xfs_attr_leaf.c | 35 +++--
fs/xfs/libxfs/xfs_bmap.c | 229 +++++++++++++--------------------
fs/xfs/libxfs/xfs_bmap.h | 2 +-
fs/xfs/libxfs/xfs_bmap_btree.c | 6 +-
fs/xfs/libxfs/xfs_btree_staging.c | 1 -
fs/xfs/libxfs/xfs_da_btree.c | 4 +-
fs/xfs/libxfs/xfs_dir2.c | 14 +-
fs/xfs/libxfs/xfs_dir2_block.c | 12 +-
fs/xfs/libxfs/xfs_dir2_data.c | 2 +-
fs/xfs/libxfs/xfs_dir2_leaf.c | 12 +-
fs/xfs/libxfs/xfs_dir2_node.c | 4 +-
fs/xfs/libxfs/xfs_dir2_priv.h | 3 +-
fs/xfs/libxfs/xfs_dir2_sf.c | 58 ++++-----
fs/xfs/libxfs/xfs_errortag.h | 4 +-
fs/xfs/libxfs/xfs_format.h | 5 +-
fs/xfs/libxfs/xfs_fs.h | 2 +-
fs/xfs/libxfs/xfs_ialloc.c | 4 +-
fs/xfs/libxfs/xfs_iext_tree.c | 2 +-
fs/xfs/libxfs/xfs_inode_buf.c | 81 +++++-------
fs/xfs/libxfs/xfs_inode_buf.h | 33 +----
fs/xfs/libxfs/xfs_inode_fork.c | 48 +++----
fs/xfs/libxfs/xfs_inode_fork.h | 20 +--
fs/xfs/libxfs/xfs_rtbitmap.c | 4 +-
fs/xfs/libxfs/xfs_shared.h | 4 +
fs/xfs/libxfs/xfs_trans_inode.c | 7 +-
fs/xfs/libxfs/xfs_types.c | 18 +--
fs/xfs/scrub/agheader.c | 33 ++---
fs/xfs/scrub/alloc.c | 5 +-
fs/xfs/scrub/attr.c | 5 +-
fs/xfs/scrub/bmap.c | 20 +--
fs/xfs/scrub/btree.c | 30 ++++-
fs/xfs/scrub/common.c | 38 +++---
fs/xfs/scrub/common.h | 58 ++++-----
fs/xfs/scrub/dir.c | 20 +--
fs/xfs/scrub/fscounters.c | 3 +-
fs/xfs/scrub/health.c | 3 +-
fs/xfs/scrub/ialloc.c | 8 +-
fs/xfs/scrub/inode.c | 5 +-
fs/xfs/scrub/parent.c | 7 +-
fs/xfs/scrub/quota.c | 11 +-
fs/xfs/scrub/refcount.c | 5 +-
fs/xfs/scrub/repair.c | 11 +-
fs/xfs/scrub/repair.h | 6 +-
fs/xfs/scrub/rmap.c | 5 +-
fs/xfs/scrub/rtbitmap.c | 7 +-
fs/xfs/scrub/scrub.c | 42 +++---
fs/xfs/scrub/scrub.h | 14 +-
fs/xfs/scrub/symlink.c | 9 +-
fs/xfs/scrub/xfs_scrub.h | 4 +-
fs/xfs/xfs_aops.c | 138 +++-----------------
fs/xfs/xfs_attr_list.c | 2 +-
fs/xfs/xfs_bmap_util.c | 219 ++++++++++++++++---------------
fs/xfs/xfs_buf_item.c | 141 +++++++++++++++-----
fs/xfs/xfs_dir2_readdir.c | 12 +-
fs/xfs/xfs_dquot.c | 10 +-
fs/xfs/xfs_error.c | 5 +
fs/xfs/xfs_file.c | 12 +-
fs/xfs/xfs_filestream.h | 2 +-
fs/xfs/xfs_fsmap.c | 14 +-
fs/xfs/xfs_fsops.c | 195 ++++++++++++++++++----------
fs/xfs/xfs_icache.c | 35 ++---
fs/xfs/xfs_inode.c | 262 ++++++++++++++++++++------------------
fs/xfs/xfs_inode.h | 42 ++++--
fs/xfs/xfs_inode_item.c | 56 +++++---
fs/xfs/xfs_ioctl.c | 71 ++++++-----
fs/xfs/xfs_iomap.c | 27 ++--
fs/xfs/xfs_iops.c | 65 +++++++---
fs/xfs/xfs_itable.c | 19 ++-
fs/xfs/xfs_linux.h | 2 +-
fs/xfs/xfs_log_recover.c | 13 +-
fs/xfs/xfs_mount.c | 14 +-
fs/xfs/xfs_mount.h | 2 +-
fs/xfs/xfs_pnfs.c | 2 +-
fs/xfs/xfs_qm.c | 22 ++--
fs/xfs/xfs_qm_bhv.c | 2 +-
fs/xfs/xfs_qm_syscalls.c | 2 +-
fs/xfs/xfs_quotaops.c | 2 +-
fs/xfs/xfs_reflink.c | 22 ++--
fs/xfs/xfs_rtalloc.c | 16 +--
fs/xfs/xfs_super.c | 132 ++++++++++---------
fs/xfs/xfs_super.h | 1 -
fs/xfs/xfs_symlink.c | 28 ++--
fs/xfs/xfs_trace.h | 16 +--
fs/xfs/xfs_trans.c | 14 +-
fs/xfs/xfs_xattr.c | 2 +
92 files changed, 1463 insertions(+), 1307 deletions(-)

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