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9927f219f1
mirror_zfs/module/os/linux/zfs
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Rob Norris 9927f219f1 linux: implement filesystem-side clone ioctls 
Prior to Linux 4.5, the FICLONE etc ioctls were specific to BTRFS, and
were implemented as regular filesystem-specific ioctls. This implements
those ioctls directly in OpenZFS, allowing cloning to work on older
kernels.

There's no need to gate these behind version checks; on later kernels
Linux will simply never deliver these ioctls, instead calling the
approprate VFS op.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Kay Pedersen <mail@mkwg.de>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Sponsored-By: OpenDrives Inc.
Sponsored-By: Klara Inc.
Closes #15050
2023-07-24 16:36:54 -07:00
..
abd_os.c Add assertion and make variables unsigned in abd_alloc_chunks() 2023-02-06 11:10:50 -08:00
arc_os.c Linux 6.4 compat: reclaimed_slab renamed to reclaimed 2023-05-24 12:23:42 -07:00
mmp_os.c Cleanup: 64-bit kernel module parameters should use fixed width types 2022-10-13 10:03:29 -07:00
policy.c Linux 6.3 compat: idmapped mount API changes 2023-04-10 14:15:36 -07:00
qat_compress.c QAT: Fix uninitialized seed in QAT compression 2023-03-16 11:54:10 -07:00
qat_crypt.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
qat.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
spa_misc_os.c Cleanup: 64-bit kernel module parameters should use fixed width types 2022-10-13 10:03:29 -07:00
trace.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
vdev_disk.c Cleanup of dead code suggested by Clang Static Analyzer (#14380) 2023-01-17 09:57:12 -08:00
vdev_file.c Cleanup: 64-bit kernel module parameters should use fixed width types 2022-10-13 10:03:29 -07:00
zfs_acl.c Use list_remove_head() where possible. 2023-06-09 10:12:52 -07:00
zfs_ctldir.c Linux: use filemap_range_has_page() 2023-02-14 11:04:34 -08:00
zfs_debug.c Cleanup: Replace oldstyle struct hack with C99 flexible array members 2023-01-12 16:00:03 -08:00
zfs_dir.c Linux 6.3 compat: idmapped mount API changes 2023-04-10 14:15:36 -07:00
zfs_file_os.c Cleanup: Remove branches that always evaluate the same way 2022-11-03 10:47:48 -07:00
zfs_ioctl_os.c Linux 6.3 compat: idmapped mount API changes 2023-04-10 14:15:36 -07:00
zfs_racct.c module: zfs: fix unused, remove argsused 2021-12-23 09:42:47 -08:00
zfs_sysfs.c Introduce kmem_scnprintf() 2022-10-29 13:05:11 -07:00
zfs_uio.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zfs_vfsops.c Fix zpl_test_super race with zfs_umount 2023-07-20 10:30:21 -07:00
zfs_vnops_os.c Linux 6.3 compat: idmapped mount API changes 2023-04-10 14:15:36 -07:00
zfs_znode.c znode: expose zfs_get_zplprop to libzpool 2023-06-05 11:53:44 -07:00
zio_crypt.c Linux: Silence static analyzer warning in crypto_create_ctx_template() 2023-03-08 13:51:59 -08:00
zpl_ctldir.c Linux 6.3 compat: idmapped mount API changes 2023-04-10 14:15:36 -07:00
zpl_export.c Replace dead opensolaris.org license link 2022-07-11 14:16:13 -07:00
zpl_file_range.c linux: implement filesystem-side clone ioctls 2023-07-24 16:36:54 -07:00
zpl_file.c linux: implement filesystem-side clone ioctls 2023-07-24 16:36:54 -07:00
zpl_inode.c Linux 6.3 compat: idmapped mount API changes 2023-04-10 14:15:36 -07:00
zpl_super.c Fix zpl_test_super race with zfs_umount 2023-07-20 10:30:21 -07:00
zpl_xattr.c Linux 6.3 compat: idmapped mount API changes 2023-04-10 14:15:36 -07:00
zvol_os.c Enable tuning of ZVOL open timeout value 2023-06-30 11:34:05 -07:00