- 01 8月, 2011 8 次提交
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由 Al Viro 提交于
... so that &inode->i_mode could be passed to it Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
so we can pass &inode->i_mode to it Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Lachlan McIlroy 提交于
bd_super is currently reset to NULL in kill_block_super() so we rely on previous users of the block_device object to initialise this value for the next user. This quirk was exposed on RHEL5 when a third party filesystem did not always use kill_block_super() and therefore bd_super wasn't being reset when a block_device object was recycled within the cache. This may not be a problem upstream but makes sense to be defensive. Signed-off-by: NLachlan McIlroy <lmcilroy@redhat.com> Reviewed-by: NEric Sandeen <sandeen@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Eric Dumazet 提交于
inode_lru_list_del() is expensive because of per superblock lru locking, while some inodes are not in lru list. Adding a check in iput_final() can speedup pipe/sockets workloads on SMP. Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Eric Dumazet 提交于
Some inodes (pipes, sockets, ...) are not hashed, no need to take contended inode_hash_lock at dismantle time. nice speedup on SMP machines on socket intensive workloads. Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Eric Dumazet 提交于
Some inodes (pipes, sockets, ...) are not in bdi writeback list. evict() can avoid calling inode_wb_list_del() and its expensive spinlock by checking inode i_wb_list being empty or not. At this point, no other cpu/user can concurrently manipulate this inode i_wb_list Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 David Howells 提交于
Autofs may set the DCACHE_NEED_AUTOMOUNT flag on negative dentries. These need attention from the automounter daemon regardless of the LOOKUP_FOLLOW flag. Signed-off-by: NDavid Howells <dhowells@redhat.com> Acked-by: NIan Kent <raven@themaw.net> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Josef Bacik 提交于
In btrfs we have 2 indexes for inodes. One is for readdir, it's in this nice sequential order and works out brilliantly for readdir. However if you use ls, it usually stat's each file it gets from readdir. This is where the second index comes in, which is based on a hash of the name of the file. So then the lookup has to lookup this index, and then lookup the inode. The index lookup is going to be in random order (since its based on the name hash), which gives us less than stellar performance. Since we know the inode location from the readdir index, I create a dummy dentry and copy the location key into dentry->d_fsdata. Then on lookup if we have d_fsdata we use that location to lookup the inode, avoiding looking up the other directory index. Thanks, Signed-off-by: NJosef Bacik <josef@redhat.com> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 28 7月, 2011 2 次提交
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由 Al Viro 提交于
create_path() on something without a single / in it will return err without initializing it. It actually can't happen (we call that thing only if create on the same path returns -ENOENT, which won't happen happen for single-component path), but in this case initializing err to 0 is more than making compiler to STFU - would be the right thing to return on such paths; the function creates a parent directory of given pathname and in that case it has no work to do... Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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- 27 7月, 2011 30 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: merge fchmod() and fchmodat() guts, kill ancient broken kludge xfs: fix misspelled S_IS...() xfs: get rid of open-coded S_ISREG(), etc. vfs: document locking requirements for d_move, __d_move and d_materialise_unique omfs: fix (mode & S_IFDIR) abuse btrfs: S_ISREG(mode) is not mode & S_IFREG... ima: fmode_t misspelled as mode_t... pci-label.c: size_t misspelled as mode_t jffs2: S_ISLNK(mode & S_IFMT) is pointless snd_msnd ->mode is fmode_t, not mode_t v9fs_iop_get_acl: get rid of unused variable vfs: dont chain pipe/anon/socket on superblock s_inodes list Documentation: Exporting: update description of d_splice_alias fs: add missing unlock in default_llseek()
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc由 Linus Torvalds 提交于
* 'next/devel2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (47 commits) OMAP: Add debugfs node to show the summary of all clocks OMAP2+: hwmod: Follow the recommended PRCM module enable sequence OMAP2+: clock: allow per-SoC clock init code to prevent clockdomain calls from clock code OMAP2+: clockdomain: Add per clkdm lock to prevent concurrent state programming OMAP2+: PM: idle clkdms only if already in idle OMAP2+: clockdomain: add clkdm_in_hwsup() OMAP2+: clockdomain: Add 2 APIs to control clockdomain from hwmod framework OMAP: clockdomain: Remove redundant call to pwrdm_wait_transition() OMAP4: hwmod: Introduce the module control in hwmod control OMAP4: cm: Add two new APIs for modulemode control OMAP4: hwmod data: Add modulemode entry in omap_hwmod structure OMAP4: hwmod data: Add PRM context register offset OMAP4: prm: Remove deprecated functions OMAP4: prm: Replace warm reset API with the offset based version OMAP4: hwmod: Replace RSTCTRL absolute address with offset macros OMAP: hwmod: Wait the idle status to be disabled OMAP4: hwmod: Replace CLKCTRL absolute address with offset macros OMAP2+: hwmod: Init clkdm field at boot time OMAP4: hwmod data: Add clock domain attribute OMAP4: clock data: Add missing divider selection for auxclks ...
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ssh://master.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc由 Linus Torvalds 提交于
* 'next/devel' of ssh://master.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (128 commits) ARM: S5P64X0: External Interrupt Support ARM: EXYNOS4: Enable MFC on Samsung NURI ARM: EXYNOS4: Enable MFC on universal_c210 ARM: S5PV210: Enable MFC on Goni ARM: S5P: Add support for MFC device ARM: EXYNOS4: Add support FIMD on SMDKC210 ARM: EXYNOS4: Add platform device and helper functions for FIMD ARM: EXYNOS4: Add resource definition for FIMD ARM: EXYNOS4: Change devname for FIMD clkdev ARM: SAMSUNG: Add IRQ_I2S0 definition ARM: SAMSUNG: Add platform device for idma ARM: EXYNOS4: Add more registers to be saved and restored for PM ARM: EXYNOS4: Add more register addresses of CMU ARM: EXYNOS4: Add platform device for dwmci driver ARM: EXYNOS4: configure rtc-s3c on NURI ARM: EXYNOS4: configure MAX8903 secondary charger on NURI ARM: EXYNOS4: configure ADC on NURI ARM: EXYNOS4: configure MAX17042 fuel gauge on NURI ARM: EXYNOS4: configure regulators and PMIC(MAX8997) on NURI ARM: EXYNOS4: Increase NR_IRQS for devices with more IRQs ... Fix up tons of silly conflicts: - arch/arm/mach-davinci/include/mach/psc.h - arch/arm/mach-exynos4/Kconfig - arch/arm/mach-exynos4/mach-smdkc210.c - arch/arm/mach-exynos4/pm.c - arch/arm/mach-imx/mm-imx1.c - arch/arm/mach-imx/mm-imx21.c - arch/arm/mach-imx/mm-imx25.c - arch/arm/mach-imx/mm-imx27.c - arch/arm/mach-imx/mm-imx31.c - arch/arm/mach-imx/mm-imx35.c - arch/arm/mach-mx5/mm.c - arch/arm/mach-s5pv210/mach-goni.c - arch/arm/mm/Kconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc由 Linus Torvalds 提交于
* 'next/board' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: ARM: S3C64XX: Configure backup battery charger on Cragganmore ARM: S3C64XX: Fix WM8915 IRQ polarity on Cragganmore ARM: S3C64XX: Configure supplies for all Cragganmore regulators ARM: S3C64XX: Refresh Cragganmore support ARM: S3C64XX: Initial support for Wolfson/Simtec Cragganmore/Banff OMAP4: Keyboard: Mux changes in the board file omap: blaze: add mmc5/wl1283 device support omap: 4430SDP: Register the card detect GPIO properly arm: omap3: cm-t35: add support for cm-t3730 OMAP3: beagle: add support for beagleboard xM revision C OMAP3: rx-51: Add full regulator definitions omap: rx51: Platform support for lp5523 led chip
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由 Linus Torvalds 提交于
Merge branch 'next/cross-platform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc * 'next/cross-platform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: ARM: Consolidate the clkdev header files ARM: set vga memory base at run-time ARM: convert PCI defines to variables ARM: pci: make pcibios_assign_all_busses use pci_has_flag ARM: remove unnecessary mach/hardware.h includes pci: move microblaze and powerpc pci flag functions into asm-generic powerpc: rename ppc_pci_*_flags to pci_*_flags Fix up conflicts in arch/microblaze/include/asm/pci-bridge.h
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc由 Linus Torvalds 提交于
* 'next/fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (24 commits) ASoC: omap: McBSP: fix build breakage on OMAP1 OMAP: hwmod: fix the i2c-reset timeout during bootup I2C: OMAP2+: add correct functionality flags to all omap2plus i2c dev_attr I2C: OMAP2+: Tag all OMAP2+ hwmod defintions with I2C IP revision I2C: OMAP1/OMAP2+: create omap I2C functionality flags for each cpu_... test I2C: OMAP2+: Introduce I2C IP versioning constants I2C: OMAP2+: increase omap_i2c_dev_attr flags from u8 to u32 I2C: OMAP2+: Set hwmod flags to only allow 16-bit accesses to i2c OMAP4: hwmod data: Change DSS main_clk scheme OMAP4: powerdomain data: Remove unsupported MPU powerdomain state OMAP4: clock data: Keep GPMC clocks always enabled and hardware managed OMAP4: powerdomain data: Fix core mem states and missing cefuse flag OMAP2+: PM: Initialise sleep_switch to a non-valid value OMAP4: hwmod data: Modify DSS opt clocks OMAP4: iommu: fix clock name omap: iovmm: s/sg_dma_len(sg)/sg->length/ omap: iommu: fix pte programming arm: omap3: cm-t35: fix slow path warning arm: omap3: cm-t35: minor comments fixes omap: ZOOM: QUART: Request reset GPIO ...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc由 Linus Torvalds 提交于
* 'next/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: MAINTAINERS: add maintainer of CSR SiRFprimaII machine ARM: CSR: initializing L2 cache ARM: CSR: mapping early DEBUG_LL uart ARM: CSR: Adding CSR SiRFprimaII board support OMAP4: clocks: Update the clock tree with 4460 clock nodes OMAP4: PRCM: OMAP4460 specific PRM and CM register bitshifts OMAP4: ID: add omap_has_feature for max freq supported OMAP: ID: introduce chip detection for OMAP4460 ARM: Xilinx: merge board file into main platform code ARM: Xilinx: Adding Xilinx board support Fix up conflicts in arch/arm/mach-omap2/cm-regbits-44xx.h
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git://git.fluff.org/bjdooks/linux由 Linus Torvalds 提交于
* 'next-i2c' of git://git.fluff.org/bjdooks/linux: i2c-eg20t : Fix the issue of Combined R/W transfer mode i2c-eg20t : Support Combined R/W transfer mode i2c: Tegra: Add DeviceTree support
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由 Mike Frysinger 提交于
Only a few core funcs need to be implemented for SMP systems, so allow the arches to override them while getting the rest for free. At least, this is enough to allow the Blackfin SMP port to use things. Signed-off-by: NMike Frysinger <vapier@gentoo.org> Cc: Arun Sharma <asharma@fb.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Since arches are expected to implement this guy, add a common version for people the same way as atomic_clear_mask is handled. Signed-off-by: NMike Frysinger <vapier@gentoo.org> Cc: Arun Sharma <asharma@fb.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
The atomic helpers are supposed to take an atomic_t pointer, not a random unsigned long pointer. So convert atomic_clear_mask over. While we're here, also add some nice documentation to the func. Signed-off-by: NMike Frysinger <vapier@gentoo.org> Cc: Arun Sharma <asharma@fb.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
We already declared inc/dec helpers, so we don't need to call the atomic_{add,sub}_return funcs directly. Signed-off-by: NMike Frysinger <vapier@gentoo.org> Cc: Arun Sharma <asharma@fb.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Arun Sharma 提交于
This clarifies the differences between <linux/atomic.h> and <asm-generic/atomic.h> Signed-off-by: NArun Sharma <asharma@fb.com> Suggested-by: NMike Frysinger <vapier.adi@gmail.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Arun Sharma 提交于
After changing all consumers of atomics to include <linux/atomic.h>, we ran into some compile time errors due to this dependency chain: linux/atomic.h -> asm/atomic.h -> asm-generic/atomic-long.h where atomic-long.h could use funcs defined later in linux/atomic.h without a prototype. This patches moves the code that includes asm-generic/atomic*.h to linux/atomic.h. Archs that need <asm-generic/atomic64.h> need to select CONFIG_GENERIC_ATOMIC64 from now on (some of them used to include it unconditionally). Compile tested on i386 and x86_64 with allnoconfig. Signed-off-by: NArun Sharma <asharma@fb.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Arun Sharma 提交于
This is in preparation for more generic atomic primitives based on __atomic_add_unless. Signed-off-by: NArun Sharma <asharma@fb.com> Signed-off-by: NHans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Reviewed-by: NEric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Arun Sharma 提交于
This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: NArun Sharma <asharma@fb.com> Reviewed-by: NEric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
The majority of architectures implement ext2 atomic bitops as test_and_{set,clear}_bit() without spinlock. This adds this type of generic implementation in ext2-atomic-setbit.h and use it wherever possible. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Suggested-by: NAndreas Dilger <adilger@dilger.ca> Suggested-by: NArnd Bergmann <arnd@arndb.de> Acked-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
This changes should_fail_request() to more usable wrapper function of should_fail(). It can avoid putting #ifdef CONFIG_FAIL_MAKE_REQUEST in the middle of a function. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
Now cleanup_fault_attr_dentries() recursively removes a directory, So we can simplify the error handling in the initialization code and no need to hold dentry structs for each debugfs file. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
Now cleanup_fault_attr_dentries() recursively removes a directory, So we can simplify the error handling in the initialization code and no need to hold dentry structs for each debugfs file. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
Use debugfs_remove_recursive() to simplify initialization and deinitialization of fault injection debugfs files. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
Minor cosmetic changes for simple attribute of stacktrace_depth: - use min_t() - reduce #ifdef by moving a function - do not use partly capitalized function name Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
should_fail_srandom() does not exist. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
No need to include linux/kallsyms.h. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Sergiu Iordache 提交于
The size of the dump is currently set using the RECORD_SIZE macro which is set to a page size. This patch makes the record size a module parameter and allows it to be set through platform data as well to allow larger dumps if needed. Signed-off-by: NSergiu Iordache <sergiu@chromium.org> Acked-by: NMarco Stornelli <marco.stornelli@gmail.com> Cc: "Ahmed S. Darwish" <darwish.07@gmail.com> Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Sergiu Iordache 提交于
The platform driver currently allows setting the mem_size and mem_address. ince dump_oops is also a module parameter it would be more consistent if it could be set through platform data as well. Signed-off-by: NSergiu Iordache <sergiu@chromium.org> Acked-by: NMarco Stornelli <marco.stornelli@gmail.com> Cc: "Ahmed S. Darwish" <darwish.07@gmail.com> Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Marco Stornelli 提交于
Add new line to each print. Signed-off-by: NMarco Stornelli <marco.stornelli@gmail.com> Reported-by: NStevie Trujillo <stevie.trujillo@gmail.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Américo Wang <xiyou.wangcong@gmail.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Marco Stornelli 提交于
Use generic module parameters instead of platform data, if platform data are not available. This limitation has been introduced with commit c3b92ce9 ("ramoops: use the platform data structure instead of module params"). [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: NMarco Stornelli <marco.stornelli@gmail.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Américo Wang <xiyou.wangcong@gmail.com> Reported-by: NStevie Trujillo <stevie.trujillo@gmail.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Dmitry Torokhov 提交于
With the arrival of concurrency-managed workqueues there is no need for our driver to use dedicated workqueue; system-wide one should suffice just fine. [akpm@linux-foundation.org: fix comment layout & grammar] Signed-off-by: NDmitry Torokhov <dtor@vmware.com> Acked-by: NTejun Heo <tj@kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Christian Glindkamp 提交于
Signed-off-by: NChristian Glindkamp <christian.glindkamp@taskit.de> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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