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cd856db xfs: Update inode alloc comments
531c3bd xfs: silence uninitialised f.file warning.
1375cb6 xfs: growfs: don't read garbage for new secondary superblocks
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commit cd856db69c88db438215244571957d812bdc6813
Author: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Date: Sat Oct 20 11:08:19 2012 -0300
xfs: Update inode alloc comments
I found some out of date comments while studying the inode allocation
code, so I believe it's worth to have these comments updated.
It basically rewrites the comment regarding to "call_again" variable,
which is not used anymore, but instead, callers of xfs_ialloc() decides
if it needs to be called again relying only if ialloc_context is NULL or
not.
Also did some small changes in another comment that I thought to be
pertinent to the current behaviour of these functions and some alignment
on both comments.
Signed-off-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 531c3bdc8662e1a83f8ec80dc3346b1284877c0a
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Thu Oct 25 17:22:30 2012 +1100
xfs: silence uninitialised f.file warning.
Uninitialised variable build warning introduced by 2903ff0 ("switch
simple cases of fget_light to fdget"), gcc is not smart enough to
work out that the variable is not used uninitialised, and the commit
removed the initialisation at declaration that the old variable had.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Mark Tinguely <tinguely@xxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
commit 1375cb65e87b327a8dd4f920c3e3d837fb40e9c2
Author: Dave Chinner <dchinner@xxxxxxxxxx>
Date: Tue Oct 9 14:50:52 2012 +1100
xfs: growfs: don't read garbage for new secondary superblocks
When updating new secondary superblocks in a growfs operation, the
superblock buffer is read from the newly grown region of the
underlying device. This is not guaranteed to be zero, so violates
the underlying assumption that the unused parts of superblocks are
zero filled. Get a new buffer for these secondary superblocks to
ensure that the unused regions are zero filled correctly.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Reviewed-by: Carlos Maiolino <cmaiolino@xxxxxxxxxx>
Signed-off-by: Ben Myers <bpm@xxxxxxx>
-----------------------------------------------------------------------
Summary of changes:
fs/xfs/xfs_fsops.c | 21 +++++++++++++++++++--
fs/xfs/xfs_ialloc.c | 6 +++---
fs/xfs/xfs_inode.c | 18 +++++++++---------
fs/xfs/xfs_ioctl.c | 2 +-
4 files changed, 32 insertions(+), 15 deletions(-)
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