| Commit message (Collapse) | Author | Age | Files | Lines |
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The CEPH_FEATURE_NOSRCADDR protocol feature avoids putting the full source
address in each message header (twice). This patch switches the client to
the new scheme, and _requires_ this feature on the server. The server
will support both the old and new schemes. That means an old client will
work with a new server, but a new client will not work with an old server.
Signed-off-by: Sage Weil <sage@newdream.net>
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We don't ever use "dirty" so we can remove it.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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The bdi_setup_and_register() helper doesn't help us since we bdi_init() in
create_client() and bdi_register() only when sget() succeeds.
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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Reported-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Sage Weil <sage@newdream.net>
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Ensure all options are included in /proc/mounts. Some cleanup.
Signed-off-by: Sage Weil <sage@newdream.net>
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We want to assign an offset when the dentry goes from null to linked, which
is always done by splice_dentry(). Notably, we should NOT assign an
offset when a dentry is first created and is still null.
BUG if we try to splice a non-null dentry (we shouldn't).
Signed-off-by: Sage Weil <sage@newdream.net>
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This can screw up offsets assigned to new dentries and break dcache
readdir results.
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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Set next_offset to 2 (always 2!), not 0, on readdir finish.
Signed-off-by: Sage Weil <sage@newdream.net>
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If the version hasn't changed, don't rebuild the index.
Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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If we use the xattr_blob, clear the pointer so we don't release the memory
at the bottom of the fuction.
Reported-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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Simplify messenger locking, and close race between ceph_con_close() setting
the CLOSED bit and con_work() checking the bit, then taking the mutex.
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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Free dentry_info in error path.
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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Allow the osd reset timeout to be disabled.
Signed-off-by: Sage Weil <sage@newdream.net>
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d_obtain_alias() doesn't return NULL, it returns an ERR_PTR().
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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Now that the mount thread waits for the osdmap, it needs
to be awaken.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
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Remove unused #include's in
fs/ceph/super.c
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
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Reset out_keepalive_pending and peer_global_seq, and drop unused var.
Signed-off-by: Sage Weil <sage@newdream.net>
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We only need to pass in front_len. Callers can attach any other payload
pieces (middle, data) as they see fit.
Signed-off-by: Sage Weil <sage@newdream.net>
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Returning ERR_PTR(-ENOMEM) is useless extra work. Return NULL on failure
instead, and fix up the callers (about half of which were wrong anyway).
Signed-off-by: Sage Weil <sage@newdream.net>
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Since we don't need to maintain large pools of messages, we can just
use the standard mempool_t. We maintain a msgpool 'wrapper' because we
need the mempool_t* in the alloc function, and mempool gives us only
pool_data.
Signed-off-by: Sage Weil <sage@newdream.net>
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ceph_sb_to_client and ceph_client are really identical, we need to dump
one; while function ceph_client is confusing with "struct ceph_client",
ceph_sb_to_client's definition is more clear; so we'd better switch all
call to ceph_sb_to_client.
-static inline struct ceph_client *ceph_client(struct super_block *sb)
-{
- return sb->s_fs_info;
-}
Signed-off-by: Cheng Renquan <crquan@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Cheng Renquan <crquan@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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Preallocate a single message to reuse instead.
Signed-off-by: Sage Weil <sage@newdream.net>
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Preallocate a single reply message that we can reuse instead.
Signed-off-by: Sage Weil <sage@newdream.net>
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Avoid unnecessary msgpool. Preallocate reply. Fix use-after-free race.
Signed-off-by: Sage Weil <sage@newdream.net>
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This would only trigger if we bailed out before resetting r_con_filling_msg
because the server reply was corrupt (oversized).
Signed-off-by: Sage Weil <sage@newdream.net>
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"xattr" is never NULL here. We took care of that in the previous
if statement block.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Sage Weil <sage@newdream.net>
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Following Nick Piggin patches in btrfs, pagecache pages should be
allocated with __page_cache_alloc, so they obey pagecache memory
policies.
Also, using add_to_page_cache_lru instead of using a private
pagevec where applicable.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Sage Weil <sage@newdream.net>
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Drop largely useless helper __prepare_pages(), and simplify sanity checks.
Signed-off-by: Sage Weil <sage@newdream.net>
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If we abort a request, we return to caller, but the request may still
complete. And if we hold the dir FILE_EXCL bit, we may not release a
lease when sending a request. A simple un-tar, control-c, un-tar again
will reproduce the bug (manifested as a 'Cannot open: File exists').
Ensure we invalidate affected dentry leases (as well dir I_COMPLETE) so
we don't have valid (but incorrect) leases. Do the same, consistently, at
other sites where I_COMPLETE is similarly cleared.
Signed-off-by: Sage Weil <sage@newdream.net>
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When we abort requests we need to prevent fill_trace et al from doing
anything that relies on locks held by the VFS caller. This fixes a race
between the reply handler and the abort code, ensuring that continue
holding the dir mutex until the reply handler completes.
Signed-off-by: Sage Weil <sage@newdream.net>
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We would occasionally BUG out in the reply handler because r_reply was
nonzero, due to a race with ceph_mdsc_do_request temporarily setting
r_reply to an ERR_PTR value. This is unnecessary, messy, and also wrong
in the EIO case.
Clean up by consistently using r_err for errors and r_reply for messages.
Also fix the abort logic to trigger consistently for all errors that return
to the caller early (e.g., EIO from timeout case). If an abort races with
a reply, use the result from the reply.
Also fix locking for r_err, r_reply update in the reply handler.
Signed-off-by: Sage Weil <sage@newdream.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (69 commits)
fix handling of offsets in cris eeprom.c, get rid of fake on-stack files
get rid of home-grown mutex in cris eeprom.c
switch ecryptfs_write() to struct inode *, kill on-stack fake files
switch ecryptfs_get_locked_page() to struct inode *
simplify access to ecryptfs inodes in ->readpage() and friends
AFS: Don't put struct file on the stack
Ban ecryptfs over ecryptfs
logfs: replace inode uid,gid,mode initialization with helper function
ufs: replace inode uid,gid,mode initialization with helper function
udf: replace inode uid,gid,mode init with helper
ubifs: replace inode uid,gid,mode initialization with helper function
sysv: replace inode uid,gid,mode initialization with helper function
reiserfs: replace inode uid,gid,mode initialization with helper function
ramfs: replace inode uid,gid,mode initialization with helper function
omfs: replace inode uid,gid,mode initialization with helper function
bfs: replace inode uid,gid,mode initialization with helper function
ocfs2: replace inode uid,gid,mode initialization with helper function
nilfs2: replace inode uid,gid,mode initialization with helper function
minix: replace inode uid,gid,mode init with helper
ext4: replace inode uid,gid,mode init with helper
...
Trivial conflict in fs/fs-writeback.c (mark bitfields unsigned)
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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we can get to them from page->mapping->host, no need to mess with
file.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Don't put struct file on the stack as it takes up quite a lot of space
and violates lifetime rules for struct file.
Rather than calling afs_readpage() indirectly from the directory routines by
way of read_mapping_page(), split afs_readpage() to have afs_page_filler()
that's given a key instead of a file and call read_cache_page(), specifying the
new function directly. Use it in afs_readpages() as well.
Also make use of this in afs_mntpt_check_symlink() too for the same reason.
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
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This is a seriously simplified patch from Eric Sandeen; copy of
rationale follows:
===
mounting stacked ecryptfs on ecryptfs has been shown to lead to bugs
in testing. For crypto info in xattr, there is no mechanism for handling
this at all, and for normal file headers, we run into other trouble:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
IP: [<ffffffffa015b0b3>] ecryptfs_d_revalidate+0x43/0xa0 [ecryptfs]
...
There doesn't seem to be any good usecase for this, so I'd suggest just
disallowing the configuration.
Based on a patch originally, I believe, from Mike Halcrow.
===
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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