linux.git/fs/ceph, branch v2.6.37 Linux kernel source tree ceph: mark user pages dirty on direct-io reads 2010-12-17T17:54:40+00:00 Henry C Chang henry_c_chang@tcloudcomputing.com 2010-12-16T04:45:41+00:00 b6aa5901c7a2bd90d0b6b9866300d2648b2568f3 For read operation, we have to set the argument _write_ of get_user_pages to 1 since we will write data to pages. Also, we need to SetPageDirty before releasing these pages. Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com> Signed-off-by: Sage Weil <sage@newdream.net> 
For read operation, we have to set the argument _write_ of get_user_pages
to 1 since we will write data to pages. Also, we need to SetPageDirty before
releasing these pages.

Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
ceph: fix null pointer dereference in ceph_init_dentry for nfs reexport 2010-12-17T17:53:48+00:00 Sage Weil sage@newdream.net 2010-12-17T17:53:41+00:00 92cf765237e2787eb168096305c448caf25ac7f8 The fh_to_dentry etc. methods use ceph_init_dentry(), which assumes that d_parent is defined. It isn't for those callers, so check! Signed-off-by: Sage Weil <sage@newdream.net> 
The fh_to_dentry etc. methods use ceph_init_dentry(), which assumes that
d_parent is defined.  It isn't for those callers, so check!

Signed-off-by: Sage Weil <sage@newdream.net>
ceph: fix direct-io on non-page-aligned buffers 2010-12-16T04:46:16+00:00 Henry C Chang henry_c_chang@tcloudcomputing.com 2010-12-16T04:41:54+00:00 ab226e21ad34f6ef52e00d2ab399d2364b4cdfee The user buffer may be 512-byte aligned, not page-aligned. We were assuming the buffer was page-aligned and only accounting for non-page-aligned io offsets. Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com> Signed-off-by: Sage Weil <sage@newdream.net> 
The user buffer may be 512-byte aligned, not page-aligned.  We were
assuming the buffer was page-aligned and only accounting for
non-page-aligned io offsets.

Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
ceph: fix ioctl magic 2010-12-06T17:45:22+00:00 Sage Weil sage@newdream.net 2010-12-06T17:45:22+00:00 1cd275f609ba46c8cae3ee77e499c54a0d13a983 The ioctl magic was inadvertently changed in 571dba52. Signed-off-by: Sage Weil <sage@newdream.net> 
The ioctl magic was inadvertently changed in 571dba52.

Signed-off-by: Sage Weil <sage@newdream.net>
ceph: Behave better when handling file lock replies. 2010-12-01T22:22:34+00:00 Herb Shiu herb_shiu@tcloudcomputing.com 2010-11-23T21:58:29+00:00 a5b10629edfa521071ccdb3b1e0e7fb350a044db Fill in the local lock with response data if appropriate, and don't call posix_lock_file when reading locks. Signed-off-by: Herb Shiu <herb_shiu@tcloudcomputing.com> Acked-by: Greg Farnum <gregf@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net> 
Fill in the local lock with response data if appropriate,
and don't call posix_lock_file when reading locks.

Signed-off-by: Herb Shiu <herb_shiu@tcloudcomputing.com>
Acked-by: Greg Farnum <gregf@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
ceph: pass lock information by struct file_lock instead of as individual params. 2010-12-01T22:22:34+00:00 Herb Shiu herb_shiu@tcloudcomputing.com 2010-11-23T21:42:23+00:00 637ae8d547390df75bad42a7e9cb65e625119767 Signed-off-by: Herb Shiu <herb_shiu@tcloudcomputing.com> Acked-by: Greg Farnum <gregf@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net> 
Signed-off-by: Herb Shiu <herb_shiu@tcloudcomputing.com>
Acked-by: Greg Farnum <gregf@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
ceph: Handle file locks in replies from the MDS. 2010-12-01T22:22:27+00:00 Herb Shiu herb_shiu@tcloudcomputing.com 2010-12-01T22:14:38+00:00 25933abdd8c562182ca6dc9f8c4c2cc8265c3a80 Previously the kernel client incorrectly assumed everything was a directory. Signed-off-by: Herb Shiu <herb_shiu@tcloudcomputing.com> Acked-by: Greg Farnum <gregf@hq.newdream.net> Signed-off-by: Sage Weil <sage@newdream.net> 
Previously the kernel client incorrectly assumed everything was a directory.

Signed-off-by: Herb Shiu <herb_shiu@tcloudcomputing.com>
Acked-by: Greg Farnum <gregf@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
ceph: avoid possible null deref in readdir after dir llseek 2010-12-01T22:15:31+00:00 Sage Weil sage@newdream.net 2010-11-23T06:58:06+00:00 884ea892763d4dfba509743f65961c782c0442db last may be NULL, but we dereference it in the else branch without checking. Normally it doesn't trigger because last == NULL when fpos == 2, but it could happen on a newly opened dir if the user seeks forward. Reported-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Sage Weil <sage@newdream.net> 
last may be NULL, but we dereference it in the else branch without
checking.  Normally it doesn't trigger because last == NULL when fpos == 2,
but it could happen on a newly opened dir if the user seeks forward.

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2010-11-19T23:32:22+00:00 Linus Torvalds torvalds@linux-foundation.org 2010-11-19T23:32:22+00:00 76db8ac45fc738f7d7664fe9b56d15c594a45228 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: ceph: fix readdir EOVERFLOW on 32-bit archs ceph: fix frag offset for non-leftmost frags ceph: fix dangling pointer ceph: explicitly specify page alignment in network messages ceph: make page alignment explicit in osd interface ceph: fix comment, remove extraneous args ceph: fix update of ctime from MDS ceph: fix version check on racing inode updates ceph: fix uid/gid on resent mds requests ceph: fix rdcache_gen usage and invalidate ceph: re-request max_size if cap auth changes ceph: only let auth caps update max_size ceph: fix open for write on clustered mds ceph: fix bad pointer dereference in ceph_fill_trace ceph: fix small seq message skipping Revert "ceph: update issue_seq on cap grant" 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  ceph: fix readdir EOVERFLOW on 32-bit archs
  ceph: fix frag offset for non-leftmost frags
  ceph: fix dangling pointer
  ceph: explicitly specify page alignment in network messages
  ceph: make page alignment explicit in osd interface
  ceph: fix comment, remove extraneous args
  ceph: fix update of ctime from MDS
  ceph: fix version check on racing inode updates
  ceph: fix uid/gid on resent mds requests
  ceph: fix rdcache_gen usage and invalidate
  ceph: re-request max_size if cap auth changes
  ceph: only let auth caps update max_size
  ceph: fix open for write on clustered mds
  ceph: fix bad pointer dereference in ceph_fill_trace
  ceph: fix small seq message skipping
  Revert "ceph: update issue_seq on cap grant"
ceph: fix readdir EOVERFLOW on 32-bit archs 2010-11-18T17:15:07+00:00 Sage Weil sage@newdream.net 2010-11-18T17:15:07+00:00 3105c19c450ac7c18ab28c19d364b588767261b3 One of the readdir filldir_t callers was passing the raw ceph 64-bit ino instead of the hashed 32-bit one, producing an EOVERFLOW in the filler callback. Fix this by calling the ceph_vino_to_ino() helper to do the conversion. Reported-by: Jan Smets <jan.smets@alcatel-lucent.com> Tested-by: Jan Smets <jan.smets@alcatel-lucent.com> Signed-off-by: Sage Weil <sage@newdream.net> 
One of the readdir filldir_t callers was passing the raw ceph 64-bit ino
instead of the hashed 32-bit one, producing an EOVERFLOW in the filler
callback.  Fix this by calling the ceph_vino_to_ino() helper to do the
conversion.

Reported-by: Jan Smets <jan.smets@alcatel-lucent.com>
Tested-by: Jan Smets <jan.smets@alcatel-lucent.com>
Signed-off-by: Sage Weil <sage@newdream.net>