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dm crypt: move dec_pending on error into write_io_submit

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Make kcryptd_crypt_write_io_submit() responsible for decrementing
the pending count after an error.

Also fixes a bug in the async path that forgot to decrement it.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Milan Broz
2008-10-10 13:37:06 +01:00
committed by Alasdair G Kergon
parent 1e37bb8e55
commit 6c031f41db
1 changed files with 2 additions and 3 deletions
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5
drivers/md/dm-crypt.c
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@@ -674,6 +674,7 @@ static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io,
crypt_free_buffer_pages(cc, clone); crypt_free_buffer_pages(cc, clone);
bio_put(clone); bio_put(clone);
io->error = -EIO; io->error = -EIO;
crypt_dec_pending(io);
return; return;
} }
@@ -724,10 +725,8 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
/* processed, no running async crypto */ /* processed, no running async crypto */
crypt_inc_pending(io); crypt_inc_pending(io);
kcryptd_crypt_write_io_submit(io, r, 0); kcryptd_crypt_write_io_submit(io, r, 0);
if (unlikely(r < 0)) { if (unlikely(r < 0))
crypt_dec_pending(io);
break; break;
}
} else } else
crypt_inc_pending(io); crypt_inc_pending(io);