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9f9c19e xfs: fix the logspace waiting algorithm
c29f7d4 xfs: fix nfs export of 64-bit inodes numbers on 32-bit kernels
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commit 9f9c19ec1a59422c7687b11847ed3408128aa0d6
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon Nov 28 08:17:36 2011 +0000
xfs: fix the logspace waiting algorithm
Apply the scheme used in log_regrant_write_log_space to wake up any other
threads waiting for log space before the newly added one to
log_regrant_write_log_space as well, and factor the code into readable
helpers. For each of the queues we have add two helpers:
- one to try to wake up all waiting threads. This helper will also be
usable by xfs_log_move_tail once we remove the current opportunistic
wakeups in it.
- one to sleep on t_wait until enough log space is available, loosely
modelled after Linux waitqueues.
And use them to reimplement the guts of log_regrant_write_log_space and
log_regrant_write_log_space. These two function now use one and the same
algorithm for waiting on log space instead of subtly different ones before,
with an option to completely unify them in the near future.
Also move the filesystem shutdown handling to the common caller given
that we had to touch it anyway.
Based on hard debugging and an earlier patch from
Chandra Seetharaman <sekharan@xxxxxxxxxx>.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Chandra Seetharaman <sekharan@xxxxxxxxxx>
Tested-by: Chandra Seetharaman <sekharan@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit c29f7d457ac63311feb11928a866efd2fe153d74
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed Nov 30 08:58:18 2011 +0000
xfs: fix nfs export of 64-bit inodes numbers on 32-bit kernels
The i_ino field in the VFS inode is of type unsigned long and thus can't
hold the full 64-bit inode number on 32-bit kernels. We have the full
inode number in the XFS inode, so use that one for nfs exports. Note
that I've also switched the 32-bit file handles types to it, just to make
the code more consistent and copy & paste errors less likely to happen.
Reported-by: Guoquan Yang <ygq51@xxxxxxxxxxx>
Reported-by: Hank Peng <pengxihan@xxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
-----------------------------------------------------------------------
Summary of changes:
fs/xfs/xfs_export.c | 8 +-
fs/xfs/xfs_log.c | 348 +++++++++++++++++++++++++--------------------------
fs/xfs/xfs_trace.h | 12 +--
3 files changed, 181 insertions(+), 187 deletions(-)
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