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linux-stable/fs/xfs
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Andrey Albershteyn 9f2050106f xfs: allow cross-linking special files without project quota 
commit e23d7e82b7 upstream.

There's an issue that if special files is created before quota
project is enabled, then it's not possible to link this file. This
works fine for normal files. This happens because xfs_quota skips
special files (no ioctls to set necessary flags). The check for
having the same project ID for source and destination then fails as
source file doesn't have any ID.

mkfs.xfs -f /dev/sda
mount -o prjquota /dev/sda /mnt/test

mkdir /mnt/test/foo
mkfifo /mnt/test/foo/fifo1

xfs_quota -xc "project -sp /mnt/test/foo 9" /mnt/test
> Setting up project 9 (path /mnt/test/foo)...
> xfs_quota: skipping special file /mnt/test/foo/fifo1
> Processed 1 (/etc/projects and cmdline) paths for project 9 with recursion depth infinite (-1).

ln /mnt/test/foo/fifo1 /mnt/test/foo/fifo1_link
> ln: failed to create hard link '/mnt/test/testdir/fifo1_link' => '/mnt/test/testdir/fifo1': Invalid cross-device link

mkfifo /mnt/test/foo/fifo2
ln /mnt/test/foo/fifo2 /mnt/test/foo/fifo2_link

Fix this by allowing linking of special files to the project quota
if special files doesn't have any ID set (ID = 0).

Signed-off-by: Andrey Albershteyn <aalbersh@redhat.com>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Signed-off-by: Catherine Hoang <catherine.hoang@oracle.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-21 14:38:45 +02:00
..
libxfs xfs: allow sunit mount option to repair bad primary sb stripe values 2024-06-21 14:38:45 +02:00
scrub xfs: don't use current->journal_info 2024-06-21 14:38:45 +02:00
Kconfig xfs: fix again select in kconfig XFS_ONLINE_SCRUB_STATS 2024-02-16 19:10:45 +01:00
kmem.c
kmem.h
Makefile xfs: move the realtime summary file scrubber to a separate source file 2023-08-10 07:48:09 -07:00
mrlock.h
xfs.h
xfs_acl.c xfs: convert to ctime accessor functions 2023-07-24 10:30:06 +02:00
xfs_acl.h fs: port ->set_acl() to pass mnt_idmap 2023-01-19 09:24:27 +01:00
xfs_aops.c xfs: don't use current->journal_info 2024-06-21 14:38:45 +02:00
xfs_aops.h
xfs_attr_inactive.c xfs: make inode unlinked bucket recovery work with quotacheck 2023-09-12 10:31:07 -07:00
xfs_attr_item.c xfs: transfer recovered intent item ownership in ->iop_recover 2024-04-03 15:28:47 +02:00
xfs_attr_item.h xfs: share xattr name and value buffers when logging xattr updates 2022-05-23 08:43:46 +10:00
xfs_attr_list.c xfs: use XFS_IFORK_Q to determine the presence of an xattr fork 2022-07-09 15:17:21 -07:00
xfs_bio_io.c fs/xfs: Use the enum req_op and blk_opf_t types 2022-07-14 12:14:33 -06:00
xfs_bmap_item.c xfs: transfer recovered intent item ownership in ->iop_recover 2024-04-03 15:28:47 +02:00
xfs_bmap_item.h
xfs_bmap_util.c xfs: handle nimaps=0 from xfs_bmapi_write in xfs_alloc_file_space 2024-02-16 19:10:44 +01:00
xfs_bmap_util.h xfs: xfs_bmap_punch_delalloc_range() should take a byte range 2022-11-29 09:09:17 +11:00
xfs_buf.c xfs: force all buffers to be written during btree bulk load 2024-04-03 15:28:48 +02:00
xfs_buf.h xfs: force all buffers to be written during btree bulk load 2024-04-03 15:28:48 +02:00
xfs_buf_item.c xfs: buffer pins need to hold a buffer reference 2023-06-05 04:05:27 +10:00
xfs_buf_item.h
xfs_buf_item_recover.c xfs: verify buffer contents when we skip log replay 2023-04-12 15:49:23 +10:00
xfs_dahash_test.c xfs: test the ascii case-insensitive hash 2023-04-11 19:05:05 -07:00
xfs_dahash_test.h xfs: test dir/attr hash when loading module 2023-03-19 09:55:49 -07:00
xfs_dir2_readdir.c xfs: rearrange the logic and remove the broken comment for xfs_dir2_isxx 2022-10-04 16:39:58 +11:00
xfs_discard.c xfs: abort fstrim if kernel is suspending 2023-10-04 09:25:04 +11:00
xfs_discard.h xfs: move log discard work to xfs_discard.c 2023-10-04 09:24:02 +11:00
xfs_dquot.c xfs: clean up dqblk extraction 2024-02-16 19:10:46 +01:00
xfs_dquot.h xfs: remove warning counters from struct xfs_dquot_res 2022-05-11 17:12:09 +10:00
xfs_dquot_item.c
xfs_dquot_item.h
xfs_dquot_item_recover.c xfs: dquot recovery does not validate the recovered dquot 2024-02-16 19:10:46 +01:00
xfs_drain.c xfs: minimize overhead of drain wakeups by using jump labels 2023-04-11 18:59:59 -07:00
xfs_drain.h xfs: minimize overhead of drain wakeups by using jump labels 2023-04-11 18:59:59 -07:00
xfs_error.c xfs: make kobj_type structures constant 2023-02-10 08:59:48 -08:00
xfs_error.h xfs: allow setting full range of panic tags 2023-02-09 18:36:17 -08:00
xfs_export.c xfs: fix reloading entire unlinked bucket lists 2023-09-24 18:12:13 -07:00
xfs_export.h
xfs_extent_busy.c xfs: process free extents to busy list in FIFO order 2023-10-11 12:35:21 -07:00
xfs_extent_busy.h xfs: reduce AGF hold times during fstrim operations 2023-10-04 09:24:52 +11:00
xfs_extfree_item.c xfs: transfer recovered intent item ownership in ->iop_recover 2024-04-03 15:28:47 +02:00
xfs_extfree_item.h xfs: refactor all the EFI/EFD log item sizeof logic 2022-10-31 08:58:20 -07:00
xfs_file.c xfs: allow read IO and FICLONE to run concurrently 2024-02-16 19:10:45 +01:00
xfs_filestream.c xfs: fix double xfs_perag_rele() in xfs_filestream_pick_ag() 2023-06-05 14:48:15 +10:00
xfs_filestream.h xfs: pass perag to filestreams tracing 2023-02-13 09:14:56 +11:00
xfs_fsmap.c xfs: move the xfs_rtbitmap.c declarations to xfs_rtbitmap.h 2024-04-03 15:28:46 +02:00
xfs_fsmap.h
xfs_fsops.c xfs: fix perag leak when growfs fails 2024-04-03 15:28:48 +02:00
xfs_fsops.h
xfs_globals.c xfs: allow setting full range of panic tags 2023-02-09 18:36:17 -08:00
xfs_health.c
xfs_icache.c xfs: don't use current->journal_info 2024-06-21 14:38:45 +02:00
xfs_icache.h xfs: use per-mount cpumask to track nonempty percpu inodegc lists 2023-09-11 08:39:03 -07:00
xfs_icreate_item.c xfs: fix potential log item leak 2022-05-04 11:45:11 +10:00
xfs_icreate_item.h
xfs_inode.c xfs: allow cross-linking special files without project quota 2024-06-21 14:38:45 +02:00
xfs_inode.h xfs: respect the stable writes flag on the RT device 2024-02-16 19:10:46 +01:00
xfs_inode_item.c xfs: initialise di_crc in xfs_log_dinode 2024-04-03 15:28:48 +02:00
xfs_inode_item.h xfs: fix AGF vs inode cluster buffer deadlock 2023-06-05 04:08:27 +10:00
xfs_inode_item_recover.c xfs: inode recovery does not validate the recovered inode 2024-02-16 19:10:45 +01:00
xfs_ioctl.c xfs: respect the stable writes flag on the RT device 2024-02-16 19:10:46 +01:00
xfs_ioctl.h fs: port ->fileattr_set() to pass mnt_idmap 2023-01-19 09:24:27 +01:00
xfs_ioctl32.c fs: port i_{g,u}id_into_vfs{g,u}id() to mnt_idmap 2023-01-19 09:24:29 +01:00
xfs_ioctl32.h
xfs_iomap.c xfs: fix SEEK_HOLE/DATA for regions with active COW extents 2024-06-21 14:38:45 +02:00
xfs_iomap.h xfs: use iomap_valid method to detect stale cached iomaps 2022-11-29 09:09:17 +11:00
xfs_iops.c xfs: respect the stable writes flag on the RT device 2024-02-16 19:10:46 +01:00
xfs_iops.h fs: port ->setattr() to pass mnt_idmap 2023-01-19 09:24:02 +01:00
xfs_itable.c xfs: fix reloading entire unlinked bucket lists 2023-09-24 18:12:13 -07:00
xfs_itable.h fs: port i_{g,u}id_into_vfs{g,u}id() to mnt_idmap 2023-01-19 09:24:29 +01:00
xfs_iunlink_item.c xfs: create traced helper to get extra perag references 2023-04-11 18:59:55 -07:00
xfs_iunlink_item.h xfs: add in-memory iunlink log item 2022-07-14 11:47:42 +10:00
xfs_iwalk.c xfs: create traced helper to get extra perag references 2023-04-11 18:59:55 -07:00
xfs_iwalk.h
xfs_linux.h xfs: create scaffolding for creating debugfs entries 2023-08-10 07:48:07 -07:00
xfs_log.c xfs: use xfs_defer_pending objects to recover intent items 2024-04-03 15:28:46 +02:00
xfs_log.h xfs: move CIL ordering to the logvec chain 2022-07-07 18:56:08 +10:00
xfs_log_cil.c xfs: move log discard work to xfs_discard.c 2023-10-04 09:24:02 +11:00
xfs_log_priv.h xfs: use xfs_defer_pending objects to recover intent items 2024-04-03 15:28:46 +02:00
xfs_log_recover.c xfs: ensure submit buffers on LSN boundaries in error handlers 2024-06-21 14:38:45 +02:00
xfs_message.c Merge branch 'guilt/xfs-unsigned-flags-5.18' into xfs-5.19-for-next 2022-04-21 16:45:03 +10:00
xfs_message.h xfs: implement per-mount warnings for scrub and shrink usage 2022-05-27 10:31:34 +10:00
xfs_mount.c xfs: track usage statistics of online fsck 2023-08-10 07:48:07 -07:00
xfs_mount.h xfs: make inode unlinked bucket recovery work with quotacheck 2023-09-12 10:31:07 -07:00
xfs_mru_cache.c
xfs_mru_cache.h
xfs_notify_failure.c xfs: correct calculation for agend and blockcount 2023-10-12 10:11:56 +05:30
xfs_ondisk.h xfs: convert flex-array declarations in xfs attr shortform objects 2023-07-17 08:48:56 -07:00
xfs_pnfs.c fs: port ->setattr() to pass mnt_idmap 2023-01-19 09:24:02 +01:00
xfs_pnfs.h
xfs_pwork.c
xfs_pwork.h
xfs_qm.c xfs: fix reloading entire unlinked bucket lists 2023-09-24 18:12:13 -07:00
xfs_qm.h xfs: remove quota warning limit from struct xfs_quota_limits 2022-05-11 17:12:09 +10:00
xfs_qm_bhv.c
xfs_qm_syscalls.c xfs: introduce xfs_inodegc_push() 2022-06-23 13:34:38 -07:00
xfs_quota.h
xfs_quotaops.c xfs: don't set quota warning values 2022-05-11 17:12:09 +10:00
xfs_refcount_item.c xfs: transfer recovered intent item ownership in ->iop_recover 2024-04-03 15:28:47 +02:00
xfs_refcount_item.h
xfs_reflink.c xfs: only remap the written blocks in xfs_reflink_end_cow_extent 2024-02-16 19:10:45 +01:00
xfs_reflink.h xfs: pass perag to xfs_alloc_read_agf() 2022-07-07 19:07:40 +10:00
xfs_rmap_item.c xfs: transfer recovered intent item ownership in ->iop_recover 2024-04-03 15:28:47 +02:00
xfs_rmap_item.h
xfs_rtalloc.c xfs: recompute growfsrtfree transaction reservation while growing rt volume 2024-04-03 15:28:47 +02:00
xfs_rtalloc.h xfs: move the xfs_rtbitmap.c declarations to xfs_rtbitmap.h 2024-04-03 15:28:46 +02:00
xfs_stats.c xfs: replace unnecessary seq_printf with seq_puts 2022-09-19 06:48:14 +10:00
xfs_stats.h
xfs_super.c xfs: read only mounts with fsopen mount API are busted 2024-01-31 16:19:07 -08:00
xfs_super.h xfs: create scaffolding for creating debugfs entries 2023-08-10 07:48:07 -07:00
xfs_symlink.c fs: port fs{g,u}id helpers to mnt_idmap 2023-01-19 09:24:30 +01:00
xfs_symlink.h fs: port inode_init_owner() to mnt_idmap 2023-01-19 09:24:28 +01:00
xfs_sysctl.c xfs: simplify two-level sysctl registration for xfs_table 2023-04-13 11:49:35 -07:00
xfs_sysctl.h xfs: Add larp debug option 2022-05-11 17:01:22 +10:00
xfs_sysfs.c xfs: make kobj_type structures constant 2023-02-10 08:59:48 -08:00
xfs_sysfs.h xfs: make kobj_type structures constant 2023-02-10 08:59:48 -08:00
xfs_trace.c xfs: add debug knob to slow down writeback for fun 2022-11-28 17:24:35 -08:00
xfs_trace.h xfs: load uncached unlinked inodes into memory on demand 2023-09-12 10:31:07 -07:00
xfs_trans.c xfs: collect errors from inodegc for unlinked inode recovery 2023-06-05 14:48:15 +10:00
xfs_trans.h xfs: don't use current->journal_info 2024-06-21 14:38:45 +02:00
xfs_trans_ail.c xfs: don't reverse order of items in bulk AIL insertion 2023-06-29 09:28:23 -07:00
xfs_trans_buf.c
xfs_trans_dquot.c xfs: remove quota warning limit from struct xfs_quota_limits 2022-05-11 17:12:09 +10:00
xfs_trans_priv.h xfs: convert log vector chain to use list heads 2022-07-07 18:55:59 +10:00
xfs_xattr.c xfs: require a relatively recent V5 filesystem for LARP mode 2023-09-12 10:31:08 -07:00
xfs_xattr.h xfs: move xfs_attr_use_log_assist usage out of libxfs 2022-05-27 10:34:04 +10:00