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Use improved credits estimates for quota operations. Also reserve a space
for a quota operation in a transaction only if filesystem was mounted with
some quota options.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This file duplicates <linux/posix_acl_xattr.h>, using slightly different
names.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Henrik Grubbstrom noted:
The 2.6.10 ext3_get_parent attempts to use ext3_find_entry to look up the
entry "..", which fails for dx directories since ".." is not present in the
directory hash table. The patch below solves this by looking up the dotdot
entry in the dx_root block.
Typical symptoms of the above bug are intermittent claims by nfsd that
files or directories are missing on exported ext3 filesystems.
cf https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=3D150759 and
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=3D144556
ext3_get_parent() is IMHO the wrong place to fix this bug as it introduces
a lot of internals from htree into that function. Instead, I think this
should be fixed in ext3_find_entry() as in the below patch. This has the
added advantage that it works for any callers of ext3_find_entry() and not
just ext3_lookup_parent().
Signed-off-by: Andreas Dilger <adilger@clusterfs.com>
Signed-off-by: Henrik Grubbstrom <grubba@grubba.org>
Cc: <ext2-devel@lists.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Move some code duplicated in both callers into vfs_quota_on_mount
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jan Kara <jack@ucw.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Avoid console spam with ext3 aborted journal.
ext3 usually reports error conditions that it detects in its environment.
But when its journal gets aborted due to such errors, it can sometimes
continue to report that condition forever, spamming the console to such
an extent that the initial first cause of the journal abort can be lost.
When the journal aborts, we put the filesystem into readonly mode. Most
subsequent filesystem operations will get rejected immediately by checks
for MS_RDONLY either in the filesystem or in the VFS. But some paths do
not have such checks --- for example, if we continue to write to a file
handle that was opened before the fs went readonly. (We only check for
the ROFS condition when the file is first opened.) In these cases, we
can continue to generate log errors similar to
EXT3-fs error (device $DEV) in start_transaction: Journal has aborted
for each subsequent write.
There is really no point in generating these errors after the initial
error has been fully reported. Specifically, if we're starting a
completely new filesystem operation, and the filesystem is *already*
readonly (ie. the ext3 layer has already detected and handled the
underlying jbd abort), and we see an EROFS error, then there is simply
no point in reporting it again.
Signed-off-by: Stephen Tweedie <sct@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This had a fatal lock ranking bug: we do journal_start outside
mpage_writepages()'s lock_page().
Revert the whole thing, think again.
Credit-to: Jan Kara <jack@suse.cz>
For identifying the bug.
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The extra race-with-truncate-then-retry logic around
ext3_get_block_handle(), which was inherited from ext2, becomes unecessary
for ext3, since we have already obtained the ei->truncate_sem in
ext3_get_block_handle() before calling ext3_alloc_branch(). The
ei->truncate_sem is already there to block concurrent truncate and block
allocation on the same inode. So the inode's indirect addressing tree
won't be changed after we grab that semaphore.
We could, after get the semaphore, re-verify the branch is up-to-date or
not. If it has been changed, then get the updated branch. If we still
need block allocation, we will have a safe version of the branch to work
with in the ext3_find_goal()/ext3_splice_branch().
The code becomes more readable after remove those retry logic. The patch
also clean up some gotos in ext3_get_block_handle() to make it more
readable.
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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)
From: Andreas Gruenbacher <agruen@suse.de>
ext[23]_get_acl will return an error when reading the attribute fails or
out-of-memory occurs. Catch this case.
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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