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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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09114eb8c5
This fixes the code like this:
bh = sb_find_get_block (sb, tmp + j);
if ((bh && DATA_BUFFER_USED(bh)) || tmp != fs32_to_cpu(sb, *p)) {
retry = 1;
brelse (bh);
goto next1;
}
bforget (bh);
sb_find_get_block() ordinarily returns a buffer_head with b_count>=2, and
this code assume that in case if "b_count>1" buffer is used, so this caused
infinite loop.
(akpm: that is-the-buffer-busy code is incomprehensible. Good riddance. Use
of block_truncate_page() seems sane).
Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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|---|---|---|
| .. | ||
| balloc.c | ||
| cylinder.c | ||
| dir.c | ||
| file.c | ||
| ialloc.c | ||
| inode.c | ||
| Makefile | ||
| namei.c | ||
| super.c | ||
| swab.h | ||
| symlink.c | ||
| truncate.c | ||
| util.c | ||
| util.h | ||