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* Merge branch 'for-linus' of ↵Linus Torvalds2011-07-25
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: fs: take the ACL checks to common code bury posix_acl_..._masq() variants kill boilerplates around posix_acl_create_masq() generic_acl: no need to clone acl just to push it to set_cached_acl() kill boilerplate around posix_acl_chmod_masq() reiserfs: cache negative ACLs for v1 stat format xfs: cache negative ACLs if there is no attribute fork 9p: do no return 0 from ->check_acl without actually checking vfs: move ACL cache lookup into generic code CIFS: Fix oops while mounting with prefixpath xfs: Fix wrong return value of xfs_file_aio_write fix devtmpfs race caam: don't pass bogus S_IFCHR to debugfs_create_...() get rid of create_proc_entry() abuses - proc_mkdir() is there for purpose asus-wmi: ->is_visible() can't return negative fix jffs2 ACLs on big-endian with 16bit mode_t 9p: close ACL leaks ocfs2_init_acl(): fix a leak VFS : mount lock scalability for internal mounts
| * fs: take the ACL checks to common codeChristoph Hellwig2011-07-25
| | | | | | | | | | | | | | | | | | Replace the ->check_acl method with a ->get_acl method that simply reads an ACL from disk after having a cache miss. This means we can replace the ACL checking boilerplate code with a single implementation in namei.c. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * bury posix_acl_..._masq() variantsAl Viro2011-07-25
| | | | | | | | | | | | | | made static; no callers left outside of posix_acl.c. posix_acl_clone() also has lost all external callers and became static... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * kill boilerplates around posix_acl_create_masq()Al Viro2011-07-25
| | | | | | | | | | | | | | | | | | new helper: posix_acl_create(&acl, gfp, mode_p). Replaces acl with modified clone, on failure releases acl and replaces with NULL. Returns 0 or -ve on error. All callers of posix_acl_create_masq() switched. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * generic_acl: no need to clone acl just to push it to set_cached_acl()Al Viro2011-07-25
| | | | | | | | | | | | | | In-core acls are copy-on-write, so the reference taken by set_cached_acl() will do just fine. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * kill boilerplate around posix_acl_chmod_masq()Al Viro2011-07-25
| | | | | | | | | | | | | | | | | | new helper: posix_acl_chmod(&acl, gfp, mode). Replaces acl with modified clone or with NULL if that has failed; returns 0 or -ve on error. All callers of posix_acl_chmod_masq() switched to that - they'd been doing exactly the same thing. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * reiserfs: cache negative ACLs for v1 stat formatChristoph Hellwig2011-07-25
| | | | | | | | | | | | | | | | | | | | Always set up a negative ACL cache entry if the inode can't have ACLs. That behaves much better than doing this check inside ->check_acl. Also remove the left over MAY_NOT_BLOCK check. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * xfs: cache negative ACLs if there is no attribute forkChristoph Hellwig2011-07-25
| | | | | | | | | | | | | | | | | | Always set up a negative ACL cache entry if the inode doesn't have an attribute fork. That behaves much better than doing this check inside ->check_acl. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * 9p: do no return 0 from ->check_acl without actually checkingChristoph Hellwig2011-07-25
| | | | | | | | | | | | | | | | | | | | If we do not want to use ACLs we at least need to perform normal Unix permission checks. From the comment I'm not quite sure that's what is intended, but if 0p wants to do permission checks entirely on the server it needs to do so in ->permission, not in ->check_acl. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * vfs: move ACL cache lookup into generic codeLinus Torvalds2011-07-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This moves logic for checking the cached ACL values from low-level filesystems into generic code. The end result is a streamlined ACL check that doesn't need to load the inode->i_op->check_acl pointer at all for the common cached case. The filesystems also don't need to check for a non-blocking RCU walk case in their acl_check() functions, because that is all handled at a VFS layer. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * CIFS: Fix oops while mounting with prefixpathPavel Shilovsky2011-07-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit fec11dd9a0109fe52fd631e5c510778d6cbff6cc caused a regression when we have already mounted //server/share/a and want to mount //server/share/a/b. The problem is that lookup_one_len calls __lookup_hash with nd pointer as NULL. Then __lookup_hash calls do_revalidate in the case when dentry exists and we end up with NULL pointer deference in cifs_d_revalidate: if (nd->flags & LOOKUP_RCU) return -ECHILD; Fix this by checking nd for NULL. Signed-off-by: Pavel Shilovsky <piastryyy@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * xfs: Fix wrong return value of xfs_file_aio_writeMarkus Trippelsdorf2011-07-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The fsync prototype change commit 02c24a82187d accidentally overwrote the ssize_t return value of xfs_file_aio_write with 0 for SYNC type writes. Fix this by checking if an error occured when calling xfs_file_fsync and only change the return value in this case. In addition xfs_file_fsync actually returns a normal negative error, so fix this, too. Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Tested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * fix devtmpfs raceAl Viro2011-07-25
| | | | | | | | | | | | | | | | After we's done complete(&req->done), there's nothing to prevent the scope containing *req from being gone and *req overwritten by any kind of junk. So we must read req->next before that... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * caam: don't pass bogus S_IFCHR to debugfs_create_...()Al Viro2011-07-24
| | | | | | | | | | | | it will be replaced with S_IFREG anyway Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * get rid of create_proc_entry() abuses - proc_mkdir() is there for purposeAl Viro2011-07-24
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * asus-wmi: ->is_visible() can't return negativeAl Viro2011-07-24
| | | | | | | | | | | | It's mode_t; return 0 (no access) on error. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * fix jffs2 ACLs on big-endian with 16bit mode_tAl Viro2011-07-24
| | | | | | | | | | | | | | | | | | casting int * to mode_t * is not a good thing - on a *lot* of big-endian architectures mode_t happens to be smaller than int and there it breaks quite spectaculary... Fucked-up-by: commit cfc8dc6f6f69ede939e09c2af06a01adee577285 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * 9p: close ACL leaksAl Viro2011-07-24
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * ocfs2_init_acl(): fix a leakAl Viro2011-07-24
| | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * VFS : mount lock scalability for internal mountsTim Chen2011-07-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For a number of file systems that don't have a mount point (e.g. sockfs and pipefs), they are not marked as long term. Therefore in mntput_no_expire, all locks in vfs_mount lock are taken instead of just local cpu's lock to aggregate reference counts when we release reference to file objects. In fact, only local lock need to have been taken to update ref counts as these file systems are in no danger of going away until we are ready to unregister them. The attached patch marks file systems using kern_mount without mount point as long term. The contentions of vfs_mount lock is now eliminated. Before un-registering such file system, kern_unmount should be called to remove the long term flag and make the mount point ready to be freed. Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | Merge branch 'next/deletion' of ↵Linus Torvalds2011-07-25
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | git+ssh://master.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc * 'next/deletion' of git+ssh://master.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: ARM: mach-loki: delete ARM: mach-s3c2400: delete ARM: mach-s3c24a0: delete
| * | ARM: mach-loki: deleteNicolas Pitre2011-07-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was introduced more than 3 years ago, and since then only generic janitorial changes were made without further addition of actual support for "real" devices. This is therefore a cost with no benefits to keep in the tree. If someone wishes to revive this code, it is always possible to retrieve it from the Git repository. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> CC: Ke Wei <kewei@marvell.com> CC: Saeed Bishara <saeed@marvell.com> CC: Lennert Buytenhek <buytenh@wantstofly.org>
| * | ARM: mach-s3c2400: deleteNicolas Pitre2011-07-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Tue, 28 Jun 2011, Ben Dooks wrote: > On Tue, Jun 28, 2011 at 11:22:57PM +0200, Arnd Bergmann wrote: > > > On a related note, what about mach-s3c2400? It seems to be even more > > incomplete. > > Probably the same fate awaits that. It is so old that there's little > incentive to do anything with it. So out it goes as well. The PORT_S3C2400 definition in include/linux/serial_core.h is left there to prevent a reuse of the same number for another port type. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
| * | ARM: mach-s3c24a0: deleteNicolas Pitre2011-07-18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit bcae8aeb32 "[ARM] S3C24A0: Initial architecture support files" brought in a bunch of files while explicitly leaving out the corresponding Kconfig entry, stating that the series is not complete. More than 2.5 years later, the support for this has not seen any progress. This is therefore dead code. If someone wants to revive this code, it is always possible to retrieve it from the Git repository. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Ben Dooks <ben-linux@fluff.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
* | | Merge branch 'next/cleanup' of ↵Linus Torvalds2011-07-25
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc * 'next/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (133 commits) ARM: EXYNOS4: Change devname for FIMD clkdev ARM: S3C64XX: Cleanup mach/regs-fb.h from mach-s3c64xx ARM: S5PV210: Cleanup mach/regs-fb.h from mach-s5pv210 ARM: S5PC100: Cleanup mach/regs-fb.h from mach-s5pc100 ARM: S3C24XX: Use generic s3c_set_platdata for devices ARM: S3C64XX: Use generic s3c_set_platdata for OneNAND ARM: SAMSUNG: Use generic s3c_set_platdata for NAND ARM: SAMSUNG: Use generic s3c_set_platdata for USB OHCI ARM: SAMSUNG: Use generic s3c_set_platdata for HWMON ARM: SAMSUNG: Use generic s3c_set_platdata for FB ARM: SAMSUNG: Use generic s3c_set_platdata for TS ARM: S3C64XX: Add PWM backlight support on SMDK6410 ARM: S5P64X0: Add PWM backlight support on SMDK6450 ARM: S5P64X0: Add PWM backlight support on SMDK6440 ARM: S5PC100: Add PWM backlight support on SMDKC100 ARM: S5PV210: Add PWM backlight support on SMDKV210 ARM: EXYNOS4: Add PWM backlight support on SMDKC210 ARM: EXYNOS4: Add PWM backlight support on SMDKV310 ARM: SAMSUNG: Create a common infrastructure for PWM backlight support clocksource: convert 32-bit down counting clocksource on S5PV210/S5P64X0 ... Fix up trivial conflict in arch/arm/mach-imx/mach-scb9328.c
| * \ \ Merge branch 'next-samsung-cleanup' of ↵Arnd Bergmann2011-07-21
| |\ \ \ | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
| | * | | ARM: EXYNOS4: Change devname for FIMD clkdevJingoo Han2011-07-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to SoC name, EXYNOS4, this patch changes devname for FIMD from 's5pv310-fb' to 'exynos4-fb'. Signed-off-by: Jingoo Han <jg1.han@samsung.com> [kgene.kim@samsung.com: removed to change wrong clock name] Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: S3C64XX: Cleanup mach/regs-fb.h from mach-s3c64xxAjay Kumar2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use plat/regs-fb-v4.h in machine files instead of mach/regs-fb.h. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: S5PV210: Cleanup mach/regs-fb.h from mach-s5pv210Ajay Kumar2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use plat/regs-fb-v4.h in machine files instead of mach/regs-fb.h. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: S5PC100: Cleanup mach/regs-fb.h from mach-s5pc100Ajay Kumar2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use plat/regs-fb-v4.h in machine files instead of mach/regs-fb.h. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: S3C24XX: Use generic s3c_set_platdata for devicesBanajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: S3C64XX: Use generic s3c_set_platdata for OneNANDBanajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: SAMSUNG: Use generic s3c_set_platdata for NANDBanajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: SAMSUNG: Use generic s3c_set_platdata for USB OHCIBanajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: SAMSUNG: Use generic s3c_set_platdata for HWMONBanajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: SAMSUNG: Use generic s3c_set_platdata for FBBanajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: SAMSUNG: Use generic s3c_set_platdata for TSBanajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: S3C64XX: Add PWM backlight support on SMDK6410Banajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for LCD backlight using PWM timer for Samsung SMDK6410 board. Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: S5P64X0: Add PWM backlight support on SMDK6450Banajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for LCD backlight using PWM timer for Samsung SMDK6450 board. Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: S5P64X0: Add PWM backlight support on SMDK6440Banajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for LCD backlight using PWM timer for Samsung SMDK6440 board. Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: S5PC100: Add PWM backlight support on SMDKC100Banajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for LCD backlight using PWM timer for Samsung SMDKC100 board. Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: S5PV210: Add PWM backlight support on SMDKV210Banajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for LCD backlight using PWM timer for Samsung SMDKV210 board. Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: EXYNOS4: Add PWM backlight support on SMDKC210Banajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for LCD backlight using PWM timer for Samsung SMDKC210 board. Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: EXYNOS4: Add PWM backlight support on SMDKV310Banajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for LCD backlight using PWM timer for Samsung SMDKV310 board. Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: SAMSUNG: Create a common infrastructure for PWM backlight supportBanajit Goswami2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch creates a common structure for LCD backlight using PWM timer to be used by various Samsung boards. Signed-off-by: Banajit Goswami <banajit.g@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | clocksource: convert 32-bit down counting clocksource on S5PV210/S5P64X0Chanwoo Choi2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert the S5PV210/S5P64X0 32-bit down-counting clocksource to the generic mmio clocksource infrastructure Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: SAMSUNG: Move duplicate code for SPDIF opsNaveen Krishna Chatradhi2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the duplicated code for SPDIF ops from S5PV210 and S5PC100. So, the same can be used in EXYNOS4. Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: SAMSUNG: Cleanup I2C code in plat-samsungNaveen Krishna Chatradhi2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Removes the duplication of default info structure in dev-i2c[0 ~ 7].c files Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | ARM: SAMSUNG: Use generic set_plat_data functionNaveen Krishna Chatradhi2011-07-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Calls the generic s3c_set_platdata function instead. Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| | * | | Merge branch 'next-samsung-clkdev-fix' into next-samsung-cleanupKukjin Kim2011-07-20
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