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NTFS: - Change {__,}ntfs_cluster_free() to also take an optional attribute

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search context as argument.  This allows calling it with the mft
        record mapped.  Update all callers.
      - Fix potential deadlock in ntfs_mft_data_extend_allocation_nolock()
	error handling by passing in the active search context when calling
	ntfs_cluster_free().

Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
This commit is contained in:
Anton Altaparmakov
2005-10-04 14:24:21 +01:00
parent 69b41e3c02
commit 511bea5ea2
4 changed files with 86 additions and 19 deletions
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13
fs/ntfs/mft.c
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@@ -1952,20 +1952,21 @@ restore_undo_alloc:
NVolSetErrors(vol);
return ret;
}
a = ctx->attr;
a->data.non_resident.highest_vcn = cpu_to_sle64(old_last_vcn - 1);
ctx->attr->data.non_resident.highest_vcn =
cpu_to_sle64(old_last_vcn - 1);
undo_alloc:
if (ntfs_cluster_free(mft_ni, old_last_vcn, -1) < 0) {
if (ntfs_cluster_free(mft_ni, old_last_vcn, -1, ctx) < 0) {
ntfs_error(vol->sb, "Failed to free clusters from mft data "
"attribute.%s", es);
NVolSetErrors(vol);
}
a = ctx->attr;
if (ntfs_rl_truncate_nolock(vol, &mft_ni->runlist, old_last_vcn)) {
ntfs_error(vol->sb, "Failed to truncate mft data attribute "
"runlist.%s", es);
NVolSetErrors(vol);
}
if (mp_rebuilt) {
if (mp_rebuilt && !IS_ERR(ctx->mrec)) {
if (ntfs_mapping_pairs_build(vol, (u8*)a + le16_to_cpu(
a->data.non_resident.mapping_pairs_offset),
old_alen - le16_to_cpu(
@@ -1982,6 +1983,10 @@ undo_alloc:
}
flush_dcache_mft_record_page(ctx->ntfs_ino);
mark_mft_record_dirty(ctx->ntfs_ino);
} else if (IS_ERR(ctx->mrec)) {
ntfs_error(vol->sb, "Failed to restore attribute search "
"context.%s", es);
NVolSetErrors(vol);
}
if (ctx)
ntfs_attr_put_search_ctx(ctx);