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Jan Kara 74584ae509 udf: fix possible leakage of blocks ... We have to take care that when we call udf_discard_prealloc() from udf_clear_inode() we have to write inode ourselves afterwards (otherwise, some changes might be lost leading to leakage of blocks, use of free blocks or improperly aligned extents). Also udf_discard_prealloc() does two different things - it removes preallocated blocks and truncates the last extent to exactly match i_size. We move the latter functionality to udf_truncate_tail_extent(), call udf_discard_prealloc() when last reference to a file is dropped and call udf_truncate_tail_extent() when inode is being removed from inode cache (udf_clear_inode() call). We cannot call udf_truncate_tail_extent() earlier as subsequent open+write would find the last block of the file mapped and happily write to the end of it, although the last extent says it's shorter. [akpm@linux-foundation.org: Make checkpatch.pl happier] Signed-off-by: Jan Kara <jack@suse.cz> Cc: Eric Sandeen <sandeen@sandeen.net> Cc: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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Makefile	…
balloc.c	…
crc.c	…
dir.c	…
directory.c	…
ecma_167.h	…
file.c	Detach sched.h from mm.h	18 years ago
fsync.c	…
ialloc.c	…
inode.c	udf: fix possible leakage of blocks	18 years ago
lowlevel.c	…
misc.c	…
namei.c	Detach sched.h from mm.h	18 years ago
osta_udf.h	…
partition.c	…
super.c	parse errors in ifdefs	18 years ago
symlink.c	…
truncate.c	udf: fix possible leakage of blocks	18 years ago
udf_i.h	…
udf_sb.h	…
udfdecl.h	udf: fix possible leakage of blocks	18 years ago
udfend.h	…
udftime.c	…
unicode.c	…