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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /fs/jfs/acl.c | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'fs/jfs/acl.c')
| -rw-r--r-- | fs/jfs/acl.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c new file mode 100644 index 000000000..16b71a23f --- /dev/null +++ b/fs/jfs/acl.c @@ -0,0 +1,153 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) International Business Machines Corp., 2002-2004 + * Copyright (C) Andreas Gruenbacher, 2001 + * Copyright (C) Linus Torvalds, 1991, 1992 + */ + +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/fs.h> +#include <linux/posix_acl_xattr.h> +#include "jfs_incore.h" +#include "jfs_txnmgr.h" +#include "jfs_xattr.h" +#include "jfs_acl.h" + +struct posix_acl *jfs_get_acl(struct inode *inode, int type, bool rcu) +{ + struct posix_acl *acl; + char *ea_name; + int size; + char *value = NULL; + + if (rcu) + return ERR_PTR(-ECHILD); + + switch(type) { + case ACL_TYPE_ACCESS: + ea_name = XATTR_NAME_POSIX_ACL_ACCESS; + break; + case ACL_TYPE_DEFAULT: + ea_name = XATTR_NAME_POSIX_ACL_DEFAULT; + break; + default: + return ERR_PTR(-EINVAL); + } + + size = __jfs_getxattr(inode, ea_name, NULL, 0); + + if (size > 0) { + value = kmalloc(size, GFP_KERNEL); + if (!value) + return ERR_PTR(-ENOMEM); + size = __jfs_getxattr(inode, ea_name, value, size); + } + + if (size < 0) { + if (size == -ENODATA) + acl = NULL; + else + acl = ERR_PTR(size); + } else { + acl = posix_acl_from_xattr(&init_user_ns, value, size); + } + kfree(value); + return acl; +} + +static int __jfs_set_acl(tid_t tid, struct inode *inode, int type, + struct posix_acl *acl) +{ + char *ea_name; + int rc; + size_t size = 0; + char *value = NULL; + + switch (type) { + case ACL_TYPE_ACCESS: + ea_name = XATTR_NAME_POSIX_ACL_ACCESS; + break; + case ACL_TYPE_DEFAULT: + ea_name = XATTR_NAME_POSIX_ACL_DEFAULT; + break; + default: + return -EINVAL; + } + + if (acl) { + value = posix_acl_to_xattr(&init_user_ns, acl, &size, GFP_KERNEL); + if (!value) + return -ENOMEM; + } + rc = __jfs_setxattr(tid, inode, ea_name, value, size, 0); + kfree(value); + + if (!rc) + set_cached_acl(inode, type, acl); + + return rc; +} + +int jfs_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, + struct posix_acl *acl, int type) +{ + int rc; + tid_t tid; + int update_mode = 0; + struct inode *inode = d_inode(dentry); + umode_t mode = inode->i_mode; + + tid = txBegin(inode->i_sb, 0); + mutex_lock(&JFS_IP(inode)->commit_mutex); + if (type == ACL_TYPE_ACCESS && acl) { + rc = posix_acl_update_mode(&nop_mnt_idmap, inode, &mode, &acl); + if (rc) + goto end_tx; + if (mode != inode->i_mode) + update_mode = 1; + } + rc = __jfs_set_acl(tid, inode, type, acl); + if (!rc) { + if (update_mode) { + inode->i_mode = mode; + inode_set_ctime_current(inode); + mark_inode_dirty(inode); + } + rc = txCommit(tid, 1, &inode, 0); + } +end_tx: + txEnd(tid); + mutex_unlock(&JFS_IP(inode)->commit_mutex); + return rc; +} + +int jfs_init_acl(tid_t tid, struct inode *inode, struct inode *dir) +{ + struct posix_acl *default_acl, *acl; + int rc = 0; + + rc = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl); + if (rc) + return rc; + + if (default_acl) { + rc = __jfs_set_acl(tid, inode, ACL_TYPE_DEFAULT, default_acl); + posix_acl_release(default_acl); + } else { + inode->i_default_acl = NULL; + } + + if (acl) { + if (!rc) + rc = __jfs_set_acl(tid, inode, ACL_TYPE_ACCESS, acl); + posix_acl_release(acl); + } else { + inode->i_acl = NULL; + } + + JFS_IP(inode)->mode2 = (JFS_IP(inode)->mode2 & 0xffff0000) | + inode->i_mode; + + return rc; +} |
