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Pull block-related fixes from Jens Axboe:
- Improvements to the buffered and direct write IO plugging from
Fengguang.
- Abstract out the mapping of a bio in a request, and use that to
provide a blk_bio_map_sg() helper. Useful for mapping just a bio
instead of a full request.
- Regression fix from Hugh, fixing up a patch that went into the
previous release cycle (and marked stable, too) attempting to prevent
a loop in __getblk_slow().
- Updates to discard requests, fixing up the sizing and how we align
them. Also a change to disallow merging of discard requests, since
that doesn't really work properly yet.
- A few drbd fixes.
- Documentation updates.
* 'for-linus' of git://git.kernel.dk/linux-block:
block: replace __getblk_slow misfix by grow_dev_page fix
drbd: Write all pages of the bitmap after an online resize
drbd: Finish requests that completed while IO was frozen
drbd: fix drbd wire compatibility for empty flushes
Documentation: update tunable options in block/cfq-iosched.txt
Documentation: update tunable options in block/cfq-iosched.txt
Documentation: update missing index files in block/00-INDEX
block: move down direct IO plugging
block: remove plugging at buffered write time
block: disable discard request merge temporarily
bio: Fix potential memory leak in bio_find_or_create_slab()
block: Don't use static to define "void *p" in show_partition_start()
block: Add blk_bio_map_sg() helper
block: Introduce __blk_segment_map_sg() helper
fs/block-dev.c:fix performance regression in O_DIRECT writes to md block devices
block: split discard into aligned requests
block: reorganize rounding of max_discard_sectors
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Extract in-memory xattr APIs from tmpfs. Will be used by cgroup.
$ size vmlinux.o
text data bss dec hex filename
4658782 880729 5195032 10734543 a3cbcf vmlinux.o
$ size vmlinux.o
text data bss dec hex filename
4658957 880729 5195032 10734718 a3cc7e vmlinux.o
v7:
- checkpatch warnings fixed
- Implement the changes requested by Hugh Dickins:
- make simple_xattrs_init and simple_xattrs_free inline
- get rid of locking and list reinitialization in simple_xattrs_free,
they're not needed
v6:
- no changes
v5:
- no changes
v4:
- move simple_xattrs_free() to fs/xattr.c
v3:
- in kmem_xattrs_free(), reinitialize the list
- use simple_xattr_* prefix
- introduce simple_xattr_add() to prevent direct list usage
Original-patch-by: Li Zefan <lizefan@huawei.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: Lennart Poettering <lpoetter@redhat.com>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
This is an initial merge in of Eric Biederman's work to start adding
user namespace support to the networking.
Signed-off-by: David S. Miller <davem@davemloft.net>
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unwritten extents
xfs_seek_hole() refinement with hole searching from page cache for unwritten extent.
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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xfs_seek_data() refinement with unwritten extents check up from page cache.
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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Introduce helpers to probe data or hole offset from page cache.
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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The type is already indicated by the function naming explicitly, so this argument
can be omitted from those calls.
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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While xfs_buftarg_shrink() is freeing buffers from the dispose list (filled with
buffers from lru list), there is a possibility to have xfs_buf_stale() racing
with it, and removing buffers from dispose list before xfs_buftarg_shrink() does
it.
This happens because xfs_buftarg_shrink() handle the dispose list without
locking and the test condition in xfs_buf_stale() checks for the buffer being in
*any* list:
if (!list_empty(&bp->b_lru))
If the buffer happens to be on dispose list, this causes the buffer counter of
lru list (btp->bt_lru_nr) to be decremented twice (once in xfs_buftarg_shrink()
and another in xfs_buf_stale()) causing a wrong account usage of the lru list.
This may cause xfs_buftarg_shrink() to return a wrong value to the memory
shrinker shrink_slab(), and such account error may also cause an underflowed
value to be returned; since the counter is lower than the current number of
items in the lru list, a decrement may happen when the counter is 0, causing
an underflow on the counter.
The fix uses a new flag field (and a new buffer flag) to serialize buffer
handling during the shrink process. The new flag field has been designed to use
btp->bt_lru_lock/unlock instead of xfs_buf_lock/unlock mechanism.
dchinner, sandeen, aquini and aris also deserve credits for this.
Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull UDF, ext3 & reiserfs fixes from Jan Kara:
"A couple of fixes (udf, reiserfs, ext3) that accumulated over my
vacation."
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf: fix retun value on error path in udf_load_logicalvol
jbd: don't write superblock when unmounting an ro filesystem
reiserfs: fix deadlocks with quotas
quota: Move down dqptr_sem read after initializing default warn[] type at __dquot_alloc_space().
UDF: During mount free lvid_bh before rescanning with different blocksize
udf: fix udf_setsize() for file data in ICB
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Pull UBIFS fixes from Artem Bityutskiy:
- Fix crash on error which prevents emulated power-cut testing.
- Fix log reply regression introduced in 3.6-rc1.
- Fix UBIFS complaints about too small debug buffer size which.
- Fix error message spelling, and remove incorrect commentary.
* tag 'upstream-3.6-rc3' of git://git.infradead.org/linux-ubifs:
UBIFS: fix error messages spelling
UBIFS: fix complaints about too small debug buffer size
UBIFS: fix replay regression
UBIFS: fix crash on error path
UBIFS: remove stale commentary
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If range.start or range.minlen is bigger than filesystem size, return
invalid value error. This fixes possible overflow in BTOBB macro when
passed value was nearly ULLONG_MAX.
Signed-off-by: Tomas Racek <tracek@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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Also update some commens in the area to make the code easier to read.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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Results in this assert failure in generic/090:
XFS: Assertion failed: *nmap >= 1, file: fs/xfs/xfs_bmap.c, line: 4363
.....
Call Trace:
[<ffffffff814680db>] xfs_bmapi_read+0x6b/0x370
[<ffffffff814b64b2>] xfs_rtbuf_get+0x42/0x130
[<ffffffff814b6f09>] xfs_rtget_summary+0x89/0x120
[<ffffffff814b7bfe>] xfs_rtallocate_extent_size+0xce/0x340
[<ffffffff814b89f0>] xfs_rtallocate_extent+0x240/0x290
[<ffffffff81462c1a>] xfs_bmap_rtalloc+0x1ba/0x340
[<ffffffff81463a65>] xfs_bmap_alloc+0x35/0x40
[<ffffffff8146f111>] xfs_bmapi_allocate+0xf1/0x350
[<ffffffff8146f9de>] xfs_bmapi_write+0x66e/0xa60
[<ffffffff8144538a>] xfs_iomap_write_direct+0x22a/0x3f0
[<ffffffff8143707b>] __xfs_get_blocks+0x38b/0x5d0
[<ffffffff814372d4>] xfs_get_blocks_direct+0x14/0x20
[<ffffffff811b0081>] do_blockdev_direct_IO+0xf71/0x1eb0
[<ffffffff811b1015>] __blockdev_direct_IO+0x55/0x60
[<ffffffff814355ca>] xfs_vm_direct_IO+0x11a/0x1e0
[<ffffffff8112d617>] generic_file_direct_write+0xd7/0x1b0
[<ffffffff8143e16c>] xfs_file_dio_aio_write+0x13c/0x320
[<ffffffff8143e6f2>] xfs_file_aio_write+0x1c2/0x1d0
[<ffffffff81174a07>] do_sync_write+0xa7/0xe0
[<ffffffff81175288>] vfs_write+0xa8/0x160
[<ffffffff81175702>] sys_pwrite64+0x92/0xb0
[<ffffffff81b68f69>] system_call_fastpath+0x16/0x1b
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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Include LEB number and offset in scanning debugging output.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Commit 91f68c89d8f3 ("block: fix infinite loop in __getblk_slow")
is not good: a successful call to grow_buffers() cannot guarantee
that the page won't be reclaimed before the immediate next call to
__find_get_block(), which is why there was always a loop there.
Yesterday I got "EXT4-fs error (device loop0): __ext4_get_inode_loc:3595:
inode #19278: block 664: comm cc1: unable to read itable block" on console,
which pointed to this commit.
I've been trying to bisect for weeks, why kbuild-on-ext4-on-loop-on-tmpfs
sometimes fails from a missing header file, under memory pressure on
ppc G5. I've never seen this on x86, and I've never seen it on 3.5-rc7
itself, despite that commit being in there: bisection pointed to an
irrelevant pinctrl merge, but hard to tell when failure takes between
18 minutes and 38 hours (but so far it's happened quicker on 3.6-rc2).
(I've since found such __ext4_get_inode_loc errors in /var/log/messages
from previous weeks: why the message never appeared on console until
yesterday morning is a mystery for another day.)
Revert 91f68c89d8f3, restoring __getblk_slow() to how it was (plus
a checkpatch nitfix). Simplify the interface between grow_buffers()
and grow_dev_page(), and avoid the infinite loop beyond end of device
by instead checking init_page_buffers()'s end_block there (I presume
that's more efficient than a repeated call to blkdev_max_block()),
returning -ENXIO to __getblk_slow() in that case.
And remove akpm's ten-year-old "__getblk() cannot fail ... weird"
comment, but that is worrying: are all users of __getblk() really
now prepared for a NULL bh beyond end of device, or will some oops??
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: stable@vger.kernel.org # 3.0 3.2 3.4 3.5
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull ceph fixes from Sage Weil:
"Jim's fix closes a narrow race introduced with the msgr changes. One
fix resolves problems with debugfs initialization that Yan found when
multiple client instances are created (e.g., two clusters mounted, or
rbd + cephfs), another one fixes problems with mounting a nonexistent
server subdirectory, and the last one fixes a divide by zero error
from unsanitized ioctl input that Dan Carpenter found."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
ceph: avoid divide by zero in __validate_layout()
libceph: avoid truncation due to racing banners
ceph: tolerate (and warn on) extraneous dentry from mds
libceph: delay debugfs initialization until we learn global_id
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Pull NFS client bugfixes from Trond Myklebust:
- NFSv3 mounts need to fail if the FSINFO rpc call fails
- Ensure that the NFS commit cache gets torn down when we unload the
NFS module.
- Fix memory scribble issues when interrupting a LAYOUTGET rpc call
- Fix NFSv4 legacy idmapper regressions
- Fix issues with the NFSv4 getacl command
- Fix a regression when using the legacy "mount -t nfs4"
* tag 'nfs-for-3.6-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv3: Ensure that do_proc_get_root() reports errors correctly
NFSv4: Ensure that nfs4_alloc_client cleans up on error.
NFS: return -ENOKEY when the upcall fails to map the name
NFS: Clear key construction data if the idmap upcall fails
NFSv4: Don't use private xdr_stream fields in decode_getacl
NFSv4: Fix the acl cache size calculation
NFSv4: Fix pointer arithmetic in decode_getacl
NFS: Alias the nfs module to nfs4
NFS: Fix a regression when loading the NFS v4 module
NFSv4.1: Remove a bogus BUG_ON() in nfs4_layoutreturn_done
pnfs-obj: Better IO pattern in case of unaligned offset
NFS41: add pg_layout_private to nfs_pageio_descriptor
pnfs: nfs4_proc_layoutget returns void
pnfs: defer release of pages in layoutget
nfs: tear down caches in nfs_init_writepagecache when allocation fails
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull assorted fixes - mostly vfs - from Al Viro:
"Assorted fixes, with an unexpected detour into vfio refcounting logics
(fell out when digging in an analog of eventpoll race in there)."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
task_work: add a scheduling point in task_work_run()
fs: fix fs/namei.c kernel-doc warnings
eventpoll: use-after-possible-free in epoll_create1()
vfio: grab vfio_device reference *before* exposing the sucker via fd_install()
vfio: get rid of vfio_device_put()/vfio_group_get_device* races
vfio: get rid of open-coding kref_put_mutex
introduce kref_put_mutex()
vfio: don't dereference after kfree...
mqueue: lift mnt_want_write() outside ->i_mutex, clean up a bit
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Even when we are emulating power cuts, otherwise it is difficult to investigate
failures during emulated power cuts testing.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Corruptio -> corruption.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Fix kernel-doc warnings in fs/namei.c:
Warning(fs/namei.c:360): No description found for parameter 'inode'
Warning(fs/namei.c:672): No description found for parameter 'nd'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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As soon as we'd installed the file into descriptor table, it can
get closed by another thread. Freeing ep in process...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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When debugging is enabled, we use a temporary on-stack buffer for formatting
the key strings like "(11368871, direntry, 0xcd0750)". The buffer size is
32 bytes and sometimes it is not enough to fit the key string - e.g., when
inode numbers are high. This is not fatal, but the key strings are incomplete
and UBIFS complains like this:
UBIFS assert failed in dbg_snprintf_key at 137 (pid 1)
This is a regression caused by "515315a UBIFS: fix key printing".
Fix the issue by increasing the buffer to 48 bytes.
Reported-by: Michael Hench <michaelhench@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Tested-by: Michael Hench <michaelhench@gmail.com>
Cc: stable@vger.kernel.org [v3.3+]
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If "l->stripe_unit" is zero the the mod on the next line will cause a
divide by zero bug. This comes from the copy_from_user() in
ceph_ioctl_set_layout_policy(). Passing 0 is valid, though (it means
"do not change") so avoid the % check in that case.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
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If the MDS gives us a dentry and we weren't prepared to handle it,
WARN_ON_ONCE instead of crashing.
Reported-by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
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svc_recv() returns only -EINTR or -EAGAIN. If we really want to worry
about the case where it has a bug that causes it to return something
else, we could stick a WARN() in svc_recv. But it's silly to require
every caller to have all this boilerplate to handle that case.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Note a 16-bit value can require up to 5 digits.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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"port" in all these functions is always NFS_PORT.
nfsd can already be run on a nonstandard port using the "nfsd/portlist"
interface.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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struct file_lock is pretty large and really ought not live on the stack.
On my x86_64 machine, they're almost 200 bytes each.
(gdb) p sizeof(struct file_lock)
$1 = 192
...allocate them dynamically instead.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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The code checks for a NULL filp and handles it gracefully just before
this BUG_ON.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Commit "d51f17e UBIFS: simplify reply code a bit" introduces a bug with the
following symptoms:
UBIFS error (pid 1): replay_log_leb: first CS node at LEB 3:0 has wrong commit number 0 expected 1
The issue is that we start replaying the log from UBIFS_LOG_LNUM instead
of c->lhead_lnum. This patch fixes that.
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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This patch fixes a regression introduced by
"4994297 UBIFS: make ubifs_lpt_init clean-up in case of failure" which
I've hit while running the 'integck -p' test. When remount the file-system
from R/O mode to R/W mode and 'lpt_init_wr()' fails, we free _all_ LPT
resources by calling 'ubifs_lpt_free(c, 0)', even those needed for R/O
mode. This leads to subsequent crashes, e.g., if we try to unmount
the file-system.
Cc: stable@vger.kernel.org [v3.5+]
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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stateid_setter should be matched to op_set_currentstateid, rather than
op_get_currentstateid.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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The types here are actually a bit of a mess. For now cast as we do in
the v4 case.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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locks.c doesn't use the BKL anymore and there is no fi_perfile field.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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The rules for fl_type are rather convoluted. Typically it's treated as
holding specific values, except in the case of LOCK_MAND, in which case
it can be or'ed with LOCK_READ|LOCK_WRITE.
On some arches F_WRLCK == 2 and F_UNLCK == 3, so and'ing with F_WRLCK will also
catch the F_UNLCK case. It's unlikely in either case here that we'd ever see
F_UNLCK since those shouldn't end up on any lists, but it's still best to be
consistent.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Commit d5497fc693a446ce9100fcf4117c3f795ddfd0d2 "nfsd4: move rq_flavor
into svc_cred" forgot to remove cl_flavor from the client, leaving two
places (cl_flavor and cl_cred.cr_flavor) for the flavor to be stored.
After that patch, the latter was the one that was updated, but the
former was the one that the callback used.
Symptoms were a long delay on utime(). This is because the utime()
generated a setattr which recalled a delegation, but the cb_recall was
ignored by the client because it had the wrong security flavor.
Cc: stable@vger.kernel.org
Tested-by: Jamie Heilman <jamie@audible.transient.net>
Reported-by: Jamie Heilman <jamie@audible.transient.net>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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flush[_delayed]_work_sync() are now spurious. Mark them deprecated
and convert all users to flush[_delayed]_work().
If you're cc'd and wondering what's going on: Now all workqueues are
non-reentrant and the regular flushes guarantee that the work item is
not pending or running on any CPU on return, so there's no reason to
use the sync flushes at all and they're going away.
This patch doesn't make any functional difference.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Mattia Dongili <malattia@linux.it>
Cc: Kent Yoder <key@linux.vnet.ibm.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: Bryan Wu <bryan.wu@canonical.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Alasdair Kergon <agk@redhat.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-wireless@vger.kernel.org
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: Sangbeom Kim <sbkim73@samsung.com>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Petr Vandrovec <petr@vandrovec.name>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Avi Kivity <avi@redhat.com>
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compat_sys_{read,write}v() need the same "pass a copy of file->f_pos" thing
as sys_{read,write}{,v}().
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The debugfs directory includes the cluster fsid and our unique global_id.
We need to delay the initialization of the debug entry until we have
learned both the fsid and our global_id from the monitor or else the
second client can't create its debugfs entry and will fail (and multiple
client instances aren't properly reflected in debugfs).
Reported by: Yan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>
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If the rpc call to NFS3PROC_FSINFO fails, then we need to report that
error so that the mount fails. Otherwise we can end up with a
superblock with completely unusable values for block sizes, maxfilesize,
etc.
Reported-by: Yuanming Chen <hikvision_linux@163.com>
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Any pointer that was allocated through nfs_alloc_client() needs to be
freed via a call to nfs_free_client().
Reported-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Commit d2c127197dfc0b2bae62a52e1e0d3e3ff493919e caused a regression
in cifs_do_create error handling. Fix this by closing a file handle
in the case of a get_inode_info(_unix) error. Also remove unnecessary
checks for newinode being NULL.
Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
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While trying to debug a SMB signature related issue with Windows Servers
figured out it might be easier to debug if we print the error code from
cifs_verify_signature(). Also, fix indendation while at it.
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
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Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
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