ceph: fix typo in ceph_queue_writeback debug output

Signed-off-by: Sage Weil <sage@newdream.net>

ceph: cleanup async writeback, truncation, invalidate helpers

Grab inode ref in helper. Make work functions static, with consistent
naming.

Signed-off-by: Sage Weil <sage@newdr

ceph: cleanup async writeback, truncation, invalidate helpers

Grab inode ref in helper. Make work functions static, with consistent
naming.

Signed-off-by: Sage Weil <sage@newdream.net>

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ceph: fix truncation when not holding caps

A truncation should occur when either we have the
specified caps for the file, or (in cases where we are
not the only ones referencing the

ceph: fix truncation when not holding caps

A truncation should occur when either we have the
specified caps for the file, or (in cases where we are
not the only ones referencing the file) when it is mapped
or when it is opened. The latter two cases were not
handled.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>

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ceph: remove unreachable code

We never truncate to a smaller size without contacting the MDS.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage

ceph: remove unreachable code

We never truncate to a smaller size without contacting the MDS.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>

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ceph: properly handle aborted mds requests

Previously, if the MDS request was interrupted, we would unregister the
request and ignore any reply. This could cause the caps or other cache

ceph: properly handle aborted mds requests

Previously, if the MDS request was interrupted, we would unregister the
request and ignore any reply. This could cause the caps or other cache
state to become out of sync. (For instance, aborting dbench and doing
rm -r on clients would complain about a non-empty directory because the
client didn't realize it's aborted file create request completed.)

Even we don't unregister, we still can't process the reply normally because
we are no longer holding the caller's locks (like the dir i_mutex).

So, mark aborted operations with r_aborted, and in the reply handler, be
sure to process all the caps. Do not process the namespace changes,
though, since we no longer will hold the dir i_mutex. The dentry lease
state can also be ignored as it's more forgiving.

Signed-off-by: Sage Weil <sage@newdream.net>

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ceph: change dentry offset and position after splice_dentry

This fixes a bug, where we had the parent list have dentries with
offsets that are not monotonically increasing, which caused

ceph: change dentry offset and position after splice_dentry

This fixes a bug, where we had the parent list have dentries with
offsets that are not monotonically increasing, which caused the ceph
dcache_readdir to skip entries.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>

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ceph: ensure rename target dentry fails revalidation

This works around a bug in vfs_rename_dir() that rehashes the target
dentry. Ensure such dentries always fail revalidation by timing

ceph: ensure rename target dentry fails revalidation

This works around a bug in vfs_rename_dir() that rehashes the target
dentry. Ensure such dentries always fail revalidation by timing out the
dentry lease and kicking it out of the current directory lease gen.

This can be reverted when the vfs bug is fixed.

Signed-off-by: Sage Weil <sage@newdream.net>

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ceph: simplify ceph_buffer interface

We never allocate the ceph_buffer and buffer separtely, so use a single
constructor.

Disallow put on NULL buffer; make the caller check.

ceph: simplify ceph_buffer interface

We never allocate the ceph_buffer and buffer separtely, so use a single
constructor.

Disallow put on NULL buffer; make the caller check.

Signed-off-by: Sage Weil <sage@newdream.net>

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ceph: initialize i_size/i_rbytes on snapdir

Signed-off-by: Sage Weil <sage@newdream.net>

ceph: move directory size logic to ceph_getattr

We can't fill i_size with rbytes at the fill_file_size stage without
adding additional checks for directories. Notably, we want st_blocks

ceph: move directory size logic to ceph_getattr

We can't fill i_size with rbytes at the fill_file_size stage without
adding additional checks for directories. Notably, we want st_blocks
to remain 0 on directories so that 'du' still works.

Fill in i_blocks, i_size specially in ceph_getattr instead.

Signed-off-by: Sage Weil <sage@newdream.net>

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ceph: inode operations

Inode cache and inode operations. We also include routines to
incorporate metadata structures returned by the MDS into the client
cache, and some helpers to d

ceph: inode operations

Inode cache and inode operations. We also include routines to
incorporate metadata structures returned by the MDS into the client
cache, and some helpers to deal with file capabilities and metadata
leases. The bulk of that work is done by fill_inode() and
fill_trace().

Signed-off-by: Sage Weil <sage@newdream.net>

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