- 25 10月, 2010 1 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: Makefile - replace the use of <module>-objs with <module>-y crypto: hifn_795x - use cancel_delayed_work_sync() crypto: talitos - sparse check endian fixes crypto: talitos - fix checkpatch warning crypto: talitos - fix warning: 'alg' may be used uninitialized in this function crypto: cryptd - Adding the AEAD interface type support to cryptd crypto: n2_crypto - Niagara2 driver needs to depend upon CRYPTO_DES crypto: Kconfig - update broken web addresses crypto: omap-sham - Adjust DMA parameters crypto: fips - FIPS requires algorithm self-tests crypto: omap-aes - OMAP2/3 AES hw accelerator driver crypto: updates to enable omap aes padata: add missing __percpu markup in include/linux/padata.h MAINTAINERS: Add maintainer entries for padata/pcrypt
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- 24 10月, 2010 3 次提交
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git://git.kernel.dk/linux-2.6-block由 Linus Torvalds 提交于
* 'for-2.6.37/core' of git://git.kernel.dk/linux-2.6-block: block: fix use-after-free bug in blk throttle code
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits) bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL. vlan: Calling vlan_hwaccel_do_receive() is always valid. tproxy: use the interface primary IP address as a default value for --on-ip tproxy: added IPv6 support to the socket match cxgb3: function namespace cleanup tproxy: added IPv6 support to the TPROXY target tproxy: added IPv6 socket lookup function to nf_tproxy_core be2net: Changes to use only priority codes allowed by f/w tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled tproxy: added tproxy sockopt interface in the IPV6 layer tproxy: added udp6_lib_lookup function tproxy: added const specifiers to udp lookup functions tproxy: split off ipv6 defragmentation to a separate module l2tp: small cleanup nf_nat: restrict ICMP translation for embedded header can: mcp251x: fix generation of error frames can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set can-raw: add msg_flags to distinguish local traffic 9p: client code cleanup rds: make local functions/variables static ... Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and drivers/net/wireless/ath/ath9k/debug.c as per David
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由 Jens Axboe 提交于
blk_throtl_exit() frees the throttle data hanging off the queue in blk_cleanup_queue(), but blk_put_queue() will indirectly dereference this data when calling blk_sync_queue() which in turns calls throtl_shutdown_timer_wq(). Fix this by moving the freeing of the throttle data to when the queue is truly being released, and post the call to blk_sync_queue(). Reported-by: NIngo Molnar <mingo@elte.hu> Tested-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NJens Axboe <jaxboe@fusionio.com>
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- 23 10月, 2010 36 次提交
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由 Linus Torvalds 提交于
Merge branches 'softirq-for-linus', 'x86-debug-for-linus', 'x86-numa-for-linus', 'x86-quirks-for-linus', 'x86-setup-for-linus', 'x86-uv-for-linus' and 'x86-vm86-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'softirq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: softirqs: Make wakeup_softirqd static * 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, asm: Restore parentheses around one pushl_cfi argument x86, asm: Fix ancient-GAS workaround x86, asm: Fix CFI macro invocations to deal with shortcomings in gas * 'x86-numa-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, numa: Assign CPUs to nodes in round-robin manner on fake NUMA * 'x86-quirks-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: HPET force enable for CX700 / VIA Epia LT * 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, setup: Use string copy operation to optimze copy in kernel compression * 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, UV: Use allocated buffer in tlb_uv.c:tunables_read() * 'x86-vm86-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, vm86: Fix preemption bug for int1 debug and int3 breakpoint handlers.
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由 Linus Torvalds 提交于
This reverts commit f4a3e0bc. Jiri Sladby points out that the tty structure we're using may already be gone, and Al Viro doesn't hold back in complaining about the random loading of 'filp->private_data' which doesn't have to be a pointer at all, nor does checking the magic field for TTY_MAGIC prove anything. Belated review by Al: "a) global variable depending on stdin of the last opener? Affecting output of read(2)? Really? b) iterator is broken; list should be locked in ->start(), unlocked in ->stop() and *NOT* unlocked/relocked in ->next() c) ->show() ought to do nothing in case of ->device == NULL, instead of skipping those in ->next()/->start() d) regardless of the merits of the bright idea about asterisk at that line in output *and* regardless of (a), the implementation is not only atrociously ugly, it's actually very likely to be a roothole. Verifying that Cthulhu knows what number happens to be address of a tty_struct by blindly dereferencing memory at that address... Ouch. Please revert that crap." And Christoph pipes in and NAK's the approach of walking fd tables etc too. So it's pretty unanimous. Noticed-by: NJri Slaby <jslaby@suse.cz> Requested-by: NAl Viro <viro@zeniv.linux.org.uk> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: Werner Fink <werner@suse.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: (36 commits) nilfs2: eliminate sparse warning - "context imbalance" nilfs2: eliminate sparse warnings - "symbol not declared" nilfs2: get rid of bdi from nilfs object nilfs2: change license of exported header file nilfs2: add bdev freeze/thaw support nilfs2: accept 64-bit checkpoint numbers in cp mount option nilfs2: remove own inode allocator and destructor for metadata files nilfs2: get rid of back pointer to writable sb instance nilfs2: get rid of mi_nilfs back pointer to nilfs object nilfs2: see state of root dentry for mount check of snapshots nilfs2: use iget for all metadata files nilfs2: get rid of GCDAT inode nilfs2: add routines to redirect access to buffers of DAT file nilfs2: add routines to roll back state of DAT file nilfs2: add routines to save and restore bmap state nilfs2: do not allocate nilfs_mdt_info structure to gc-inodes nilfs2: allow nilfs_clear_inode to clear metadata file inodes nilfs2: get rid of snapshot mount flag nilfs2: simplify life cycle management of nilfs object nilfs2: do not allocate multiple super block instances for a device ...
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git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (47 commits) Blackfin: bfin_spi.h: add MMR peripheral layout Blackfin: bfin_ppi.h: start a common PPI/EPPI header Blackfin: bfin_can.h: add missing VERSION/VERSION2 MMRs Blackfin: bf538: add missing SIC_RVECT define Blackfin: bf561: rewrite SICA_xxx to just SIC_xxx Blackfin: bf54x: add missing SIC_RVECT definition Blackfin: H8606: move 8250 irqflags to platform resources Blackfin: glue XIP/ROM kernel kconfigs Blackfin: update sparse flags for latest upstream changes Blackfin: coreb: update ioctl numbers Blackfin: coreb: add gpl module license Blackfin: bf518-ezkit: add ssm2603 codec resources Blackfin: bf51x/bf52x: fix 16/32bit SPORT MMR helpers Blackfin: tll6527m: new board port Blackfin: bf526-ezbrd/bf527-ezkit: add NAND partition for u-boot Blackfin: merge kernel init memory back into main memory region Blackfin: gpio: add peripheral group check Blackfin: dma: bf54x: add missing break for SPORT1 TX IRQ Blackfin: add new cacheflush syscall Blackfin: bf548-ezkit: increase u-boot partition size ...
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由 Linus Torvalds 提交于
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86-32, mm: Add an initial page table for core bootstrapping
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git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb由 Linus Torvalds 提交于
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: kdb,debug_core: adjust master cpu switch logic against new debug_core locking debug_core: refactor locking for master/slave cpus x86,kgdb: remove unnecessary call to kgdb_correct_hw_break() debug_core: disable hw_breakpoints on all cores in kgdb_cpu_enter() kdb,kgdb: fix sparse fixups kdb: Fix oops in kdb_unregister kdb,ftdump: Remove reference to internal kdb include kdb: Allow kernel loadable modules to add kdb shell functions debug_core: stop rcu warnings on kernel resume debug_core: move all watch dog syncs to a single function x86,kgdb: fix debugger hw breakpoint test regression in 2.6.35
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (141 commits) USB: mct_u232: fix broken close USB: gadget: amd5536udc.c: fix error path USB: imx21-hcd - fix off by one resource size calculation usb: gadget: fix Kconfig warning usb: r8a66597-udc: Add processing when USB was removed. mxc_udc: add workaround for ENGcm09152 for i.MX35 USB: ftdi_sio: add device ids for ScienceScope USB: musb: AM35x: Workaround for fifo read issue USB: musb: add musb support for AM35x USB: AM35x: Add musb support usb: Fix linker errors with CONFIG_PM=n USB: ohci-sh - use resource_size instead of defining its own resource_len macro USB: isp1362-hcd - use resource_size instead of defining its own resource_len macro USB: isp116x-hcd - use resource_size instead of defining its own resource_len macro USB: xhci: Fix compile error when CONFIG_PM=n USB: accept some invalid ep0-maxpacket values USB: xHCI: PCI power management implementation USB: xHCI: bus power management implementation USB: xHCI: port remote wakeup implementation USB: xHCI: port power management implementation ... Manually fix up (non-data) conflict: the SCSI merge gad renamed the 'hw_sector_size' member to 'physical_block_size', and the USB tree brought a new use of it.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (49 commits) serial8250: ratelimit "too much work" error serial: bfin_sport_uart: speed up sport RX sample rate to be 3% faster serial: abstraction for 8250 legacy ports serial/imx: check that the buffer is non-empty before sending it out serial: mfd: add more baud rates support jsm: Remove the uart port on errors Alchemy: Add UART PM methods. 8250: allow platforms to override PM hook. altera_uart: Don't use plain integer as NULL pointer altera_uart: Fix missing prototype for registering an early console altera_uart: Fixup type usage of port flags altera_uart: Make it possible to use Altera UART and 8250 ports together altera_uart: Add support for different address strides altera_uart: Add support for getting mapbase and IRQ from resources altera_uart: Add support for polling mode (IRQ-less) serial: Factor out uart_poll_timeout() from 8250 driver serial: mark the 8250 driver as maintained serial: 8250: Don't delay after transmitter is ready. tty: MAINTAINERS: add drivers/serial/jsm/ as maintained driver vcs: invoke the vt update callback when /dev/vcs* is written to ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (31 commits) driver core: Display error codes when class suspend fails Driver core: Add section count to memory_block struct Driver core: Add mutex for adding/removing memory blocks Driver core: Move find_memory_block routine hpilo: Despecificate driver from iLO generation driver core: Convert link_mem_sections to use find_memory_block_hinted. driver core: Introduce find_memory_block_hinted which utilizes kset_find_obj_hinted. kobject: Introduce kset_find_obj_hinted. driver core: fix build for CONFIG_BLOCK not enabled driver-core: base: change to new flag variable sysfs: only access bin file vm_ops with the active lock sysfs: Fail bin file mmap if vma close is implemented. FW_LOADER: fix kconfig dependency warning on HOTPLUG uio: Statically allocate uio_class and use class .dev_attrs. uio: Support 2^MINOR_BITS minors uio: Cleanup irq handling. uio: Don't clear driver data uio: Fix lack of locking in init_uio_class SYSFS: Allow boot time switching between deprecated and modern sysfs layout driver core: remove CONFIG_SYSFS_DEPRECATED_V2 but keep it for block devices ...
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由 Linus Torvalds 提交于
Commit dd3932ed ("block: remove BLKDEV_IFL_WAIT") had removed the flag argument to blkdev_issue_flush(), but the ocfs2 merge brought in a new one. It didn't cause a merge conflict, so the merges silently worked out fine, but the result didn't actually compile. Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: (56 commits) [CIFS] move close processing from cifs_close to cifsFileInfo_put cifs: convert cifs_tcp_ses_lock from a rwlock to a spinlock cifs: cancel_delayed_work() + flush_scheduled_work() -> cancel_delayed_work_sync() Clean up two declarations of blob_len cifs: move cifsFileInfo_put to file.c cifs: convert GlobalSMBSeslock from a rwlock to regular spinlock [CIFS] Fix minor checkpatch warning and update cifs version cifs: move cifs_new_fileinfo to file.c cifs: eliminate pfile pointer from cifsFileInfo cifs: cifs_write argument change and cleanup cifs: clean up cifs_reopen_file cifs: eliminate the inode argument from cifs_new_fileinfo cifs: eliminate oflags option from cifs_new_fileinfo cifs: fix flags handling in cifs_posix_open cifs: eliminate cifs_posix_open_inode_helper cifs: handle FindFirst failure gracefully NTLM authentication and signing - Calculate auth response per smb session cifs: don't use vfsmount to pin superblock for oplock breaks cifs: keep dentry reference in cifsFileInfo instead of inode reference cifs: on multiuser mount, set ownership to current_fsuid/current_fsgid (try #7) ... Fix up trivial conflict in fs/cifs/cifsfs.c due to added/removed header files
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (84 commits) [SCSI] be2iscsi: SGE Len == 64K [SCSI] be2iscsi: Remove premature free of cid [SCSI] be2iscsi: More time for FW [SCSI] libsas: fix bug for vacant phy [SCSI] sd: Fix overflow with big physical blocks [SCSI] st: add MTWEOFI to write filemarks without flushing drive buffer [SCSI] libsas: Don't issue commands to devices that have been hot-removed [SCSI] megaraid_sas: Add Online Controller Reset to MegaRAID SAS drive [SCSI] lpfc 8.3.17: Update lpfc driver version to 8.3.17 [SCSI] lpfc 8.3.17: Replace function reset methodology [SCSI] lpfc 8.3.17: SCSI fixes [SCSI] lpfc 8.3.17: BSG fixes [SCSI] lpfc 8.3.17: SLI Additions and Fixes [SCSI] lpfc 8.3.17: Code Cleanup and Locking fixes [SCSI] zfcp: Remove scsi_cmnd->serial_number from debug traces [SCSI] ipr: fix array error logging [SCSI] aha152x: enable PCMCIA on 64bit [SCSI] scsi_dh_alua: Handle all states correctly [SCSI] cxgb4i: connection and ddp setting update [SCSI] cxgb3i: fixed connection over vlan ...
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Add missing I/O macros {in,out}{w,l}_p() for !CONFIG_ISA m68k: Remove big kernel lock in cache flush code m68k: __pa(): cast arg to long fbdev: atafb - Remove undead ifdef ATAFB_FALCON zorro: Fix device_register() error handling fbdev/m68k: Fix section mismatches in q40fb.c m68k/m68knommu: merge the MMU and non-MMU traps.h m68k/m68knommu: merge MMU and non-MMU thread_info.h m68k/m68knommu: merge MMU and non-MMU atomic.h m68k/m68knommu: clean up page.h m68k/m68knommu: merge machdep.h files into a single file m68k/m68knommu: merge MMU and non-MMU string.h m68k/m68knommu: Remove dead SMP config option m68k: move definition of THREAD_SIZE into thread_info_mm.h m68k: Use asm-generic/ioctls.h (enables termiox) m68k: Remove dead GG2 config option
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm: dlm: Fix dlm lock status block comment in dlm.h dlm: Don't send callback to node making lock request when "try 1cb" fails
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git://oss.sgi.com/xfs/xfs由 Linus Torvalds 提交于
* 'for-linus' of git://oss.sgi.com/xfs/xfs: (36 commits) xfs: semaphore cleanup xfs: Extend project quotas to support 32bit project ids xfs: remove xfs_buf wrappers xfs: remove xfs_cred.h xfs: remove xfs_globals.h xfs: remove xfs_version.h xfs: remove xfs_refcache.h xfs: fix the xfs_trans_committed xfs: remove unused t_callback field in struct xfs_trans xfs: fix bogus m_maxagi check in xfs_iget xfs: do not use xfs_mod_incore_sb_batch for per-cpu counters xfs: do not use xfs_mod_incore_sb for per-cpu counters xfs: remove XFS_MOUNT_NO_PERCPU_SB xfs: pack xfs_buf structure more tightly xfs: convert buffer cache hash to rbtree xfs: serialise inode reclaim within an AG xfs: batch inode reclaim lookup xfs: implement batched inode lookups for AG walking xfs: split out inode walk inode grabbing xfs: split inode AG walking into separate code for reclaim ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu: update comments to reflect that percpu allocations are always zero-filled percpu: Optimize __get_cpu_var() x86, percpu: Optimize this_cpu_ptr percpu: clear memory allocated with the km allocator percpu: fix build breakage on s390 and cleanup build configuration tests percpu: use percpu allocator on UP too percpu: reduce PCPU_MIN_UNIT_SIZE to 32k vmalloc: pcpu_get/free_vm_areas() aren't needed on UP Fixed up trivial conflicts in include/linux/percpu.h
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由 Jiro SEKIBA 提交于
insert sparse annotations to fix following sparse warning. fs/nilfs2/segment.c:2681:3: warning: context imbalance in 'nilfs_segctor_kill_thread' - unexpected unlock nilfs_segctor_kill_thread is only called inside sc_state_lock lock. sparse doesn't detect the context and warn "unexpected unlock". __acquires/__releases pretend to lock/unlock the sc_state_lock for sparse. Signed-off-by: NJiro SEKIBA <jir@unicus.jp> Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Jiro SEKIBA 提交于
change nilfs_dat_commit_free and nilfs_inode_cachep static to fix following warnings fs/nilfs2/super.c:72:19: warning: symbol 'nilfs_inode_cachep' was not declared. Should it be static? fs/nilfs2/dat.c:106:6: warning: symbol 'nilfs_dat_commit_free' was not declared. Should it be static? Signed-off-by: NJiro SEKIBA <jir@unicus.jp> Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
Nilfs now can use sb->s_bdi to get backing_dev_info, so we use it instead of ns_bdi on the nilfs object and remove ns_bdi. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
This allows other projects to carry copies of the header file related to ABI and disk format (i.e. "nilfs2_fs.h") without it or distributors having to worry about effects on the project's overall license terms. It's also desired for switching the license of nilfs library to LGPL. Jiro SEKIBA pointed out these license issues (Message-ID: <87tylo7msw.wl%jir@sekiba.com>), and he suggested switching license of the library and nilfs2_fs.h to GNU Lesser General Public License. We take in his suggestion to avoid the license issues. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Jiro SEKIBA <jir@unicus.jp> Cc: linux-nilfs <linux-nilfs@vger.kernel.org>
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由 Ryusuke Konishi 提交于
Nilfs hasn't supported the freeze/thaw feature because it didn't work due to the peculiar design that multiple super block instances could be allocated for a device. This limitation was removed by the patch "nilfs2: do not allocate multiple super block instances for a device". So now this adds the freeze/thaw support to nilfs. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
The current implementation doesn't mount snapshots with checkpoint numbers larger than INT_MAX since it uses match_int() for parsing "cp=" mount option. This uses simple_strtoull() for the conversion to resolve the issue. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
This finally removes own inode allocator and destructor functions for metadata files. Several routines, nilfs_mdt_new(), nilfs_mdt_new_common(), nilfs_mdt_clear(), nilfs_mdt_destroy(), and nilfs_alloc_inode_common() will be gone. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
Nilfs object holds a back pointer to a writable super block instance in nilfs->ns_writer, and this became eliminable since sb is now made per device and all inodes have a valid pointer to it. This deletes the ns_writer pointer and a reader/writer semaphore protecting it. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
This removes a back pointer to nilfs object from nilfs_mdt_info structure that is attached to metadata files. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
After applied the patch that unified sb instances, root dentry of snapshots can be left in dcache even after their trees are unmounted. The orphan root dentry/inode keeps a root object, and this causes false positive of nilfs_checkpoint_is_mounted function. This resolves the issue by having nilfs_checkpoint_is_mounted test whether the root dentry is busy or not. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
This makes use of iget5_locked to allocate or get inode for metadata files to stop using own inode allocator. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
This applies prepared rollback function and redirect function of metadata file to DAT file, and eliminates GCDAT inode. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
During garbage collection (GC), DAT file, which converts virtual block number to real block number, may return disk block number that is not yet written to the device. To avoid access to unwritten blocks, the current implementation stores changes to the caches of GCDAT during GC and atomically commit the changes into the DAT file after they are written to the device. This patch, instead, adds a function that makes a copy of specified buffer and stores it in nilfs_shadow_map, and a function to get the backup copy as needed (nilfs_mdt_freeze_buffer and nilfs_mdt_get_frozen_buffer respectively). Before DAT changes block number in an entry block, it makes a copy and redirect access to the buffer so that address conversion function (i.e. nilfs_dat_translate) refers to the old address saved in the copy. This patch gives requisites for such redirection. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
This adds optional function to metadata files which makes a copy of bmap, page caches, and b-tree node cache, and rolls back to the copy as needed. This enhancement is intended to displace gcdat inode that provides a similar function in a different way. In this patch, nilfs_shadow_map structure is added to store a copy of the foregoing states. nilfs_mdt_setup_shadow_map relates this structure to a metadata file. And, nilfs_mdt_save_to_shadow_map() and nilfs_mdt_restore_from_shadow_map() provides save and restore functions respectively. Finally, nilfs_mdt_clear_shadow_map() clears states of nilfs_shadow_map. The copy of b-tree node cache and page cache is made by duplicating only dirty pages into corresponding caches in nilfs_shadow_map. Their restoration is done by clearing dirty pages from original caches and by copying dirty pages back from nilfs_shadow_map. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
This adds routines to save and restore the state of bmap structure. The bmap state is stored in a given nilfs_bmap_store object. These routines will be used to roll back the state of dat inode without using gcdat inode. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
GC-inode now doesn't need the nilfs_mdt_info structure and there is no reason that it is a sort of metadata files. This stops the allocation and makes them not dependent on metadata file routines. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
Allows clear inode function (nilfs_clear_inode) to handle metadata files that uses bitmap-based object alloctor. DAT and ifile correspond to this. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
This flag is a fake used to distinguish type of super block instance. And, it got obsolete by the unification of sb. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
This stops pre-allocating nilfs object in nilfs_get_sb routine, and stops managing its life cycle by reference counting. nilfs_find_or_create_nilfs() function, nilfs->ns_mount_mutex, nilfs_objects list, and the reference counter will be removed through the simplification. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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由 Ryusuke Konishi 提交于
This stops allocating multiple super block instances for a device. All snapshots and a current mode mount (i.e. latest tree) will be controlled with nilfs_root objects that are kept within an sb instance. nilfs_get_sb() is rewritten so that it always has a root object for the latest tree and snapshots make additional root objects. The root dentry of the latest tree is binded to sb->s_root even if it isn't attached on a directory. Root dentries of snapshots or the latest tree are binded to mnt->mnt_root on which they are mounted. With this patch, nilfs_find_sbinfo() function, nilfs->ns_supers list, and nilfs->ns_current back pointer, are deleted. In addition, init_nilfs() and load_nilfs() are simplified since they will be called once for a device, not repeatedly called for mount points. Signed-off-by: NRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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