- 27 7月, 2010 7 次提交
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由 Joe Perches 提交于
Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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由 Theodore Ts'o 提交于
The allocation_context pointer can be NULL. Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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由 Theodore Ts'o 提交于
This has been in use by e2fsprogs for a while; define it to keep the super block fields in sync. Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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由 Theodore Ts'o 提交于
This allows us to grab any file system error messages by scraping /var/log/messages. This will make it easy for us to do error analysis across the very large number of machines as we deploy ext4 across the fleet. Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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由 Theodore Ts'o 提交于
Save number of file system errors, and the time function name, line number, block number, and inode number of the first and most recent errors reported on the file system in the superblock. Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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由 Theodore Ts'o 提交于
Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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由 Theodore Ts'o 提交于
Also start passing the line number to ext4_check_dir since we're going to need it in upcoming patch. Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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- 30 6月, 2010 2 次提交
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由 Theodore Ts'o 提交于
This allows the error messages to include the line number Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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由 Theodore Ts'o 提交于
Also use a macro definition so that __func__ and __LINE__ is implicit. Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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- 29 6月, 2010 2 次提交
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由 Theodore Ts'o 提交于
Use a macro definition for ext4_abort() to clean up the .c files a wee bit. Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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由 Theodore Ts'o 提交于
Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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- 16 6月, 2010 1 次提交
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由 Jan Kara 提交于
ext4 didn't update the ctime of the file when its permission was changed. Steps to reproduce: # touch aaa # stat -c %Z aaa 1275289822 # setfacl -m 'u::x,g::x,o::x' aaa # stat -c %Z aaa 1275289822 <- unchanged But, according to the spec of the ctime, ext4 must update it. Port of ext3 patch by Miao Xie <miaox@cn.fujitsu.com>. CC: linux-ext4@vger.kernel.org Signed-off-by: NJan Kara <jack@suse.cz> Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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- 15 6月, 2010 2 次提交
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由 Christoph Hellwig 提交于
The nobh option was only supported for writeback mode, but given that all write paths actually create buffer heads it effectively was a no-op already. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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由 Andi Kleen 提交于
No real bugs found, just removed some dead code. Found by gcc 4.6's new warnings. Signed-off-by: NAndi Kleen <ak@linux.intel.com> Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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- 14 6月, 2010 1 次提交
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由 Theodore Ts'o 提交于
These changes are not ones which are likely to result in races, but they should be fixed. Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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- 12 6月, 2010 25 次提交
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由 Theodore Ts'o 提交于
We don't need to set s_dirt in most of the ext4 code when journaling is enabled. In ext3/4 some of the summary statistics for # of free inodes, blocks, and directories are calculated from the per-block group statistics when the file system is mounted or unmounted. As a result the superblock doesn't have to be updated, either via the journal or by setting s_dirt. There are a few exceptions, most notably when resizing the file system, where the superblock needs to be modified --- and in that case it should be done as a journalled operation if possible, and s_dirt set only in no-journal mode. This patch will optimize out some unneeded disk writes when using ext4 with a journal. Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
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由 Linus Torvalds 提交于
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: wimax/i2400m: fix missing endian correction read in fw loader net8139: fix a race at the end of NAPI pktgen: Fix accuracy of inter-packet delay. pkt_sched: gen_estimator: add a new lock net: deliver skbs on inactive slaves to exact matches ipv6: fix ICMP6_MIB_OUTERRORS r8169: fix mdio_read and update mdio_write according to hw specs gianfar: Revive the driver for eTSEC devices (disable timestamping) caif: fix a couple range checks phylib: Add support for the LXT973 phy. net: Print num_rx_queues imbalance warning only when there are allocated queues
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6由 Linus Torvalds 提交于
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: PM / x86: Save/restore MISC_ENABLE register
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: The file argument for fsync() is never null Btrfs: handle ERR_PTR from posix_acl_from_xattr() Btrfs: avoid BUG when dropping root and reference in same transaction Btrfs: prohibit a operation of changing acl's mask when noacl mount option used Btrfs: should add a permission check for setfacl Btrfs: btrfs_lookup_dir_item() can return ERR_PTR Btrfs: btrfs_read_fs_root_no_name() returns ERR_PTRs Btrfs: unwind after btrfs_start_transaction() errors Btrfs: btrfs_iget() returns ERR_PTR Btrfs: handle kzalloc() failure in open_ctree() Btrfs: handle error returns from btrfs_lookup_dir_item() Btrfs: Fix BUG_ON for fs converted from extN Btrfs: Fix null dereference in relocation.c Btrfs: fix remap_file_pages error Btrfs: uninitialized data is check_path_shared() Btrfs: fix fallocate regression Btrfs: fix loop device on top of btrfs
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI: clear bridge resource range if BIOS assigned bad one PCI: hotplug/cpqphp, fix NULL dereference Revert "PCI: create function symlinks in /sys/bus/pci/slots/N/" PCI: change resource collision messages from KERN_ERR to KERN_INFO
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由 Yinghai Lu 提交于
Yannick found that video does not work with 2.6.34. The cause of this bug was that the BIOS had assigned the wrong range to the PCI bridge above the video device. Before 2.6.34 the kernel would have shrunk the size of the bridge window, but since d65245c3 PCI: don't shrink bridge resources the kernel will avoid shrinking BIOS ranges. So zero out the old range if we fail to claim it at boot time; this will cause us to allocate a new range at startup, restoring the 2.6.34 behavior. Fixes regression https://bugzilla.kernel.org/show_bug.cgi?id=16009. Reported-by: NYannick <yannick.roehlly@free.fr> Acked-by: NBjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: NYinghai Lu <yinghai@kernel.org> Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>
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由 Jiri Slaby 提交于
There are devices out there which are PCI Hot-plug controllers with compaq PCI IDs, but are not bridges, hence have pdev->subordinate NULL. But cpqphp expects the pointer to be non-NULL. Add a check to the probe function to avoid oopses like: BUG: unable to handle kernel NULL pointer dereference at 00000050 IP: [<f82e3c41>] cpqhpc_probe+0x951/0x1120 [cpqphp] *pdpt = 0000000033779001 *pde = 0000000000000000 ... The device here was: 00:0b.0 PCI Hot-plug controller [0804]: Compaq Computer Corporation PCI Hotplug Controller [0e11:a0f7] (rev 11) Subsystem: Compaq Computer Corporation Device [0e11:a2f8] Signed-off-by: NJiri Slaby <jslaby@suse.cz> Cc: Greg KH <greg@kroah.com> Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>
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由 Jesse Barnes 提交于
This reverts commit 75568f80. Since they're just a convenience anyway, remove these symlinks since they're causing duplicate filename errors in the wild. Acked-by: NAlex Chiang <achiang@canonical.com> Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>
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由 Bjorn Helgaas 提交于
We can often deal with PCI resource issues by moving devices around. In that case, there's no point in alarming the user with messages like these. There are many bug reports where the message itself is the only problem, e.g., https://bugs.launchpad.net/ubuntu/+source/linux/+bug/413419 . Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>
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由 Dan Carpenter 提交于
The "file" argument for fsync is never null so we can remove this check. What drew my attention here is that 7ea80859: "drop unused dentry argument to ->fsync" introduced an unconditional dereference at the start of the function and that generated a smatch warning. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Dan Carpenter 提交于
posix_acl_from_xattr() returns both ERR_PTRs and null, but it's OK to pass null values to set_cached_acl() Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Sage Weil 提交于
If btrfs_ioctl_snap_destroy() deletes a snapshot but finishes with end_transaction(), the cleaner kthread may come in and drop the root in the same transaction. If that's the case, the root's refs still == 1 in the tree when btrfs_del_root() deletes the item, because commit_fs_roots() hasn't updated it yet (that happens during the commit). This wasn't a problem before only because btrfs_ioctl_snap_destroy() would commit the transaction before dropping the dentry reference, so the dead root wouldn't get queued up until after the fs root item was updated in the btree. Since it is not an error to drop the root reference and the root in the same transaction, just drop the BUG_ON() in btrfs_del_root(). Signed-off-by: NSage Weil <sage@newdream.net> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Shi Weihua 提交于
when used Posix File System Test Suite(pjd-fstest) to test btrfs, some cases about setfacl failed when noacl mount option used. I simplified used commands in pjd-fstest, and the following steps can reproduce it. ------------------------ # cd btrfs-part/ # mkdir aaa # setfacl -m m::rw aaa <- successed, but not expected by pjd-fstest. ------------------------ I checked ext3, a warning message occured, like as: setfacl: aaa/: Operation not supported Certainly, it's expected by pjd-fstest. So, i compared acl.c of btrfs and ext3. Based on that, a patch created. Fortunately, it works. Signed-off-by: NShi Weihua <shiwh@cn.fujitsu.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Shi Weihua 提交于
On btrfs, do the following ------------------ # su user1 # cd btrfs-part/ # touch aaa # getfacl aaa # file: aaa # owner: user1 # group: user1 user::rw- group::rw- other::r-- # su user2 # cd btrfs-part/ # setfacl -m u::rwx aaa # getfacl aaa # file: aaa # owner: user1 # group: user1 user::rwx <- successed to setfacl group::rw- other::r-- ------------------ but we should prohibit it that user2 changing user1's acl. In fact, on ext3 and other fs, a message occurs: setfacl: aaa: Operation not permitted This patch fixed it. Signed-off-by: NShi Weihua <shiwh@cn.fujitsu.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Dan Carpenter 提交于
btrfs_lookup_dir_item() can return either ERR_PTRs or null. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Dan Carpenter 提交于
btrfs_read_fs_root_no_name() returns ERR_PTRs on error so I added a check for that. It's not clear to me if it can also return NULL pointers or not so I left the original NULL pointer check as is. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Dan Carpenter 提交于
This was added by a22285a6: "Btrfs: Integrate metadata reservation with start_transaction". If we goto out here then we skip all the unwinding and there are locks still held etc. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Dan Carpenter 提交于
btrfs_iget() returns an ERR_PTR() on failure and not null. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Dan Carpenter 提交于
Unwind and return -ENOMEM if the allocation fails here. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Dan Carpenter 提交于
If btrfs_lookup_dir_item() fails, we should can just let the mount fail with an error. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Yan, Zheng 提交于
Tree blocks can live in data block groups in FS converted from extN. So it's easy to trigger the BUG_ON. Signed-off-by: NYan Zheng <zheng.yan@oracle.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Yan, Zheng 提交于
Fix a potential null dereference in relocation.c Signed-off-by: NYan Zheng <zheng.yan@oracle.com> Acked-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NChris Mason <chris.mason@oracle.com>
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由 Inaky Perez-Gonzalez 提交于
i2400m_fw_hdr_check() was accessing hardware field bcf_hdr->module_type (little endian 32) without converting to host byte sex. Reported-by: NДанилин Михаил <mdanilin@nsg.net.ru> Signed-off-by: NInaky Perez-Gonzalez <inaky@linux.intel.com>
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