Age | Commit message (Collapse) | Author | Files | Lines |
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And if we are to return the same type of layouts, don't bother
sending more layoutgets.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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It marks all matching layout segments as NFS_LSEG_LAYOUTRETURN,
which is an indicator for pnfs_put_lseg() to send layoutreturn,
and also prevents pnfs_update_layout() from using the returning
segments. Once it is set, it never gets cleared.
It also sets proper io failure bit so that pnfs path can be retried
after PNFS_LAYOUTGET_RETRY_TIMEOUT second.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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It allows to specify different iomode to return.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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So that it is possible to return a specific iomode layouts.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Flexfiles layout would want to use them to report DS IO status.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Per RFC 5661 Errata 3208:
| A client MAY always forget its layout state and associated
| layout stateid at any time (See also section 12.5.5.1).
| In such case, the client MUST use a non-layout stateid for the next
| LAYOUTGET operation. This will signal the server that the client has
| no more layouts on the file and its respective layout state can be
| released before issuing a new layout in response to LAYOUTGET.
In order to make such a signal unique to server, client needs to serialize
all layoutgets using non-layout stateid. We implement this by serializing
layoutgets when client has no layout segments at hand.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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flexfiles needs to start layoutcommit when necessary
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
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lockd assumes hostname exists otherwise kernel oops.
It can be reproduced by following steps:
1. mount flexfile MDS
2. write some files
3. mount DS via nfsv3
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffff8134f332>] strlen+0x2/0x20
PGD 0
Oops: 0000 [#1] SMP
Modules linked in: nfsd(F) nfs_layout_flexfiles(F) rpcsec_gss_krb5(F) auth_rpcgss(F) nfsv4(F) dns_resolver(F) nfsv3(F) nfs_acl(F) nfs(F) lockd(F) sunrpc(F) fscache(F) ebtable_nat(F) nf_conntrack_netbios_ns(F) nf_conntrack_broadcast(F) ipt_MASQUERADE(F) ip6table_nat(F) nf_nat_ipv6(F) ip6table_mangle(F) ip6t_REJECT(F) nf_conntrack_ipv6(F) nf_defrag_ipv6(F) iptable_nat(F) nf_nat_ipv4(F) nf_nat(F) iptable_mangle(F) nf_conntrack_ipv4(F) nf_defrag_ipv4(F) xt_conntrack(F) nf_conntrack(F) ebtable_filter(F) ebtables(F) ip6table_filter(F) ip6_tables(F) bnep(F) snd_ens1371(F) snd_rawmidi(F) snd_ac97_codec(F) btusb(F) ac97_bus(F) snd_seq(F) snd_seq_device(F) snd_pcm(F) ppdev(F) bluetooth(F) 6lowpan_iphc(F) rfkill(F) vmw_balloon(F) snd_timer(F) snd(F) soundcore(F) gameport(F) i2c_piix4(F) e1000(F) vmw_vmci(F) parport_pc(F) parport(F) shpchp(F) uinput(F) xfs(F) libcrc32c(F) vmwgfx(F) ttm(F) drm(F) mptspi(F) scsi_transport_spi(F) mptscsih(F) mptbase(F) i2c_core(F)
CPU: 0 PID: 10397 Comm: mount.nfs Tainted: GF 3.14.7-100.pd_client.001.fc16.x86_64 #1
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/31/2013
task: ffff880008942600 ti: ffff880007990000 task.ti: ffff880007990000
RIP: 0010:[<ffffffff8134f332>] [<ffffffff8134f332>] strlen+0x2/0x20
RSP: 0018:ffff880007991aa0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff880038d39c20 RCX: 0000000000000004
RDX: 0000000000000006 RSI: 0000000000000010 RDI: 0000000000000000
RBP: ffff880007991b38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000014600 R11: 0000000000000400 R12: ffffffff81cc8580
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000004
FS: 00007f90cd2ef880(0000) GS:ffff88003f600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000001710000 CR4: 00000000001407f0
Stack:
ffffffffa045f52c ffff880001782230 ffff880004141e28 0006880007991ac8
ffffffff816dc14b ffff880000000000 ffff880038d39c20 0000000000000010
0000000481cc0006 0000000000000000 ffffffffa0410be8 000000000000c014
Call Trace:
[<ffffffffa045f52c>] ? nlmclnt_lookup_host+0x4c/0x2c0 [lockd]
[<ffffffff816dc14b>] ? _raw_spin_unlock_bh+0x1b/0x20
[<ffffffffa0410be8>] ? svc_destroy+0xb8/0x140 [sunrpc]
[<ffffffffa045c323>] nlmclnt_init+0x53/0xc0 [lockd]
[<ffffffffa047d2dc>] ? nfs_get_client+0x1cc/0x340 [nfs]
[<ffffffffa047c2e7>] nfs_start_lockd+0xa7/0xd0 [nfs]
[<ffffffffa047df71>] nfs_create_server+0x181/0x5c0 [nfs]
[<ffffffffa04460f3>] nfs3_create_server+0x13/0x30 [nfsv3]
[<ffffffffa048a0bc>] nfs_try_mount+0x21c/0x300 [nfs]
[<ffffffff811ca32d>] ? __kmalloc_track_caller+0x1ad/0x240
[<ffffffffa048b677>] ? nfs_fs_mount+0xc37/0xd80 [nfs]
[<ffffffffa048ad05>] nfs_fs_mount+0x2c5/0xd80 [nfs]
[<ffffffffa048a830>] ? nfs_clone_super+0x140/0x140 [nfs]
[<ffffffffa048a240>] ? nfs_clone_sb_security+0x40/0x40 [nfs]
[<ffffffff811e7e43>] mount_fs+0x43/0x1b0
[<ffffffff81193100>] ? __alloc_percpu+0x10/0x20
[<ffffffff812026e6>] vfs_kern_mount+0x76/0x120
[<ffffffff81204917>] do_mount+0x237/0xa80
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Enable pNFS callbacks to allow flex files to work correctly with a
NFSv3-enabled data server.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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so that flexfile layout client can pass in DS credential instead of
using user cred, which will be done in the next patch.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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flexclient needs this as there is no nfs_server to DS connection.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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pnfs flexfile layout client may want to use NFSv3 ops rather
than the default MDS v4 ops.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Signed-off-by: Tom Haynes <loghyr@primarydata.com>
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Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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flexfile layout may need to set such when making DS connections.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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The flexfiles layout wants to create DS connection over NFSv3.
Add nfs3_set_ds_client to allow that to happen.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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They can be reused by flexfile layout as well.
Also add a code such that if read fails on one DS and
there are other DSes available to use, don't resend
through MDS but through pNFS so that client can read
from other DSes.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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flexfile layout may use different auth flavor as specified by MDS.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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It can be reused by flexfiles layout client.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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It can be reused by flexfile layout.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Also pull nfs4_pnfs_ds_addr and nfs4_pnfs_ds to generic pnfs.
They can all be reused by flexfile layout as well.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Acked-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
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The flexfilelayout driver will share some common code
with the filelayout driver. This set of changes refactors
that common code out to avoid any module depenencies.
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
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Currently, the ioctl handling code for XFS_IOC_FSSETXATTR treats all
targets as regular files: it refuses to change the extent size if
extents are allocated. This is wrong for directories, as there the
extent size is only used as a default for children.
The patch fixes this issue and improves validation of flag
combinations:
- only disallow extent size changes after extents have been allocated
for regular files
- only allow XFS_XFLAG_EXTSIZE for regular files
- only allow XFS_XFLAG_EXTSZINHERIT for directories
- automatically clear the flags if the extent size is zero
Thanks to Dave Chinner for guidance on the proper fix for this issue.
[dchinner: ported changes onto cleanup series. Makes changes clear
and obvious.]
[dchinner: added comments documenting validity checking rules.]
Signed-off-by: Iustin Pop <iustin@k1024.org>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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The project ID change checking is one of the few remaining open
coded checks in xfs_ioctl_setattr(). Factor it into a helper
function so that the setattr code mostly becomes a flow of check
and action helpers, making it easier to read and follow.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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The extent size hint change checking is fairly complex, so isolate
that into it's own function. This simplifies the logic flow of the
setattr code, making it easier to read.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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Currently XFS_IOCTL_SETXATTR will fail if run in a user namespace as
it it not allowed to change project IDs. The current code, however,
also prevents any other change being made as well, so things like
extent size hints cannot be set in user namespaces. This is wrong,
so only disallow access to project IDs and related flags from inside
the init namespace.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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Now there is only one caller to xfs_ioctl_setattr that uses all the
functionality of the function we can kill the behviour mask and
start cleaning up the code.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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xfs_ioctl_setxflags doesn't need all of the functionailty in
xfs_ioctl_setattr() and now we have separate helper functions that
share the checks and modifications that xfs_ioctl_setxflags
requires. Hence disaggregate it from xfs_ioctl_setattr() to allow
further work to be done on xfs_ioctl_setattr.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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The setup of the transaction is done after a random smattering of
checks and before another bunch of ioperations specific
validity checks. Pull all the preamble out into a helper function
that returns a transaction or error.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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The setting of the extended flags is down through two separate
interfaces, but they are munged together into xfs_ioctl_setattr
and make that function far more complex than it needs to be.
Separate it out into a helper function along with all the other
common inode changes and transaction manipulations in
xfs_ioctl_setattr().
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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It is set if the filp is set ot non-blocking, but the flag is not
used anywhere. Hence we can kill it.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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Back in the days when the direct I/O ->end_io callback could be called
from interrupt context for AIO we needed a structure to hand off to the
workqueue, and reused the ioend structure for this purpose. These days
->end_io is always called from user or workqueue context, which allows us
to avoid this memory allocation and simplify the code significantly.
[dchinner: removed now unused xfs_finish_ioend_sync() function after
Brian Foster did an initial review. ]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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Change kmem_free to use kvfree() generic function, remove the
duplicated code.
Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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This logic is duplicated in xfs_file_fallocate and xfs_ioc_space, and
we'll need another copy of it for pNFS block support.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
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These tests are off by one because if len == sizeof(nfs_export_path)
then we have truncated the name.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Most filesystems prevent truncation of an active swapfile by way of
inode_newsize_ok, called from inode_change_ok. NFS doesn't call either
from nfs_setattr, presumably because most of these checks are expected
to be done server-side. However, the IS_SWAPFILE check can only be done
client-side, and truncating a swapfile can't possibly be good.
Signed-off-by: Omar Sandoval <osandov@osandov.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Bruce reported seeing this warning pop when mounting using v4.1:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1121 at kernel/sched/core.c:7300 __might_sleep+0xbd/0xd0()
do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff810ff58f>] prepare_to_wait+0x2f/0x90
Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace sunrpc fscache ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw snd_hda_codec_generic snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer ppdev joydev snd virtio_console virtio_balloon pcspkr serio_raw parport_pc parport pvpanic floppy soundcore i2c_piix4 virtio_blk virtio_net qxl drm_kms_helper ttm drm virtio_pci virtio_ring ata_generic virtio pata_acpi
CPU: 1 PID: 1121 Comm: nfsv4.1-svc Not tainted 3.19.0-rc4+ #25
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140709_153950- 04/01/2014
0000000000000000 000000004e5e3f73 ffff8800b998fb48 ffffffff8186ac78
0000000000000000 ffff8800b998fba0 ffff8800b998fb88 ffffffff810ac9da
ffff8800b998fb68 ffffffff81c923e7 00000000000004d9 0000000000000000
Call Trace:
[<ffffffff8186ac78>] dump_stack+0x4c/0x65
[<ffffffff810ac9da>] warn_slowpath_common+0x8a/0xc0
[<ffffffff810aca65>] warn_slowpath_fmt+0x55/0x70
[<ffffffff810ff58f>] ? prepare_to_wait+0x2f/0x90
[<ffffffff810ff58f>] ? prepare_to_wait+0x2f/0x90
[<ffffffff810dd2ad>] __might_sleep+0xbd/0xd0
[<ffffffff8124c973>] kmem_cache_alloc_trace+0x243/0x430
[<ffffffff810d941e>] ? groups_alloc+0x3e/0x130
[<ffffffff810d941e>] groups_alloc+0x3e/0x130
[<ffffffffa0301b1e>] svcauth_unix_accept+0x16e/0x290 [sunrpc]
[<ffffffffa0300571>] svc_authenticate+0xe1/0xf0 [sunrpc]
[<ffffffffa02fc564>] svc_process_common+0x244/0x6a0 [sunrpc]
[<ffffffffa02fd044>] bc_svc_process+0x1c4/0x260 [sunrpc]
[<ffffffffa03d5478>] nfs41_callback_svc+0x128/0x1f0 [nfsv4]
[<ffffffff810ff970>] ? wait_woken+0xc0/0xc0
[<ffffffffa03d5350>] ? nfs4_callback_svc+0x60/0x60 [nfsv4]
[<ffffffff810d45bf>] kthread+0x11f/0x140
[<ffffffff810ea815>] ? local_clock+0x15/0x30
[<ffffffff810d44a0>] ? kthread_create_on_node+0x250/0x250
[<ffffffff81874bfc>] ret_from_fork+0x7c/0xb0
[<ffffffff810d44a0>] ? kthread_create_on_node+0x250/0x250
---[ end trace 675220a11e30f4f2 ]---
nfs41_callback_svc does most of its work while in TASK_INTERRUPTIBLE,
which is just wrong. Fix that by finishing the wait immediately if we've
found that the list has something on it.
Also, we don't expect this kthread to accept signals, so we should be
using a TASK_UNINTERRUPTIBLE sleep instead. That however, opens us up
hung task warnings from the watchdog, so have the schedule_timeout
wake up every 60s if there's no callback activity.
Reported-by: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fix from Chris Mason:
"We have one more fix for btrfs in my for-linus branch - this was a bug
in the new raid5/6 scrubbing support"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: fix raid56 scrub failed in xfstests btrfs/072
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull quota and UDF fix from Jan Kara:
"A fix for UDF to properly free preallocated blocks and a fix for quota
so that Q_GETQUOTA quotactl reports correct numbers for XFS filesystem
(and similarly Q_XGETQUOTA quotactl works properly for other
filesystems)"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: Switch ->get_dqblk() and ->set_dqblk() to use bytes as space units
udf: Release preallocation on last writeable close
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Currently maximum space limit quota format supports is in blocks however
since we store space limits in bytes, this is somewhat confusing. So
store the maximum limit in bytes as well. Also rename the field to match
the new unit and related inode field to match the new naming scheme.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
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There are no more users for quota_on_meta callback. Just remove it.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
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Ocfs2 can just use the generic helpers provided by quota code for
turning quotas on and off when quota files are stored as system inodes.
The only difference is the feature test in ocfs2_quota_on() and that is
covered by dquot_quota_enable() checking whether usage tracking is
enabled (which can happen only if the filesystem has the quota feature
set).
Signed-off-by: Jan Kara <jack@suse.cz>
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Ext4 can just use the generic helpers provided by quota code for turning
quotas on and off when quota files are stored as system inodes. The only
difference is the feature test in ext4_quota_on_sysfile() but the same
is achieved in dquot_quota_enable() by checking whether usage tracking
for the corresponding quota type is enabled (which can happen only if
quota feature is set).
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
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Add functions which translate ->quota_enable / ->quota_disable calls
into appropriate changes in VFS quota. This will enable filesystems
supporting VFS quota files in system inodes to be controlled via
Q_XQUOTA[ON|OFF] quotactls for better userspace compatibility.
Also provide a vector for quotactl using these functions which can be
used by filesystems with quota files stored in hidden system files.
Signed-off-by: Jan Kara <jack@suse.cz>
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Make Q_QUOTAON / Q_QUOTAOFF quotactl call ->quota_enable /
->quota_disable callback when provided. To match current behavior of
ocfs2 & ext4 we make these quotactls turn on / off quota enforcement for
appropriate quota type.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
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