From: Darrick J. Wong <djwong@xxxxxxxxxx>
If the extended attributes look bad, try to sift through the rubble to
find whatever keys/values we can, stage a new attribute structure in a
temporary file and use the atomic extent swapping mechanism to commit
the results in bulk.
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
fs/xfs/scrub/xfarray.c | 24 ++++++++++++++++++++++++
fs/xfs/scrub/xfarray.h | 2 ++
fs/xfs/scrub/xfblob.c | 24 ++++++++++++++++++++++++
fs/xfs/scrub/xfblob.h | 2 ++
4 files changed, 52 insertions(+)
diff --git a/fs/xfs/scrub/xfarray.c b/fs/xfs/scrub/xfarray.c
index 8fdd7dd40193..fccb3a3d9199 100644
--- a/fs/xfs/scrub/xfarray.c
+++ b/fs/xfs/scrub/xfarray.c
@@ -368,3 +368,27 @@ xfarray_load_next(
*idx = cur;
return 0;
}
+
+/* How many bytes is this array consuming? */
+long long
+xfarray_bytes(
+ struct xfarray *array)
+{
+ struct xfile_stat statbuf;
+ int error;
+
+ error = xfile_stat(array->xfile, &statbuf);
+ if (error)
+ return error;
+
+ return statbuf.bytes;
+}
+
+/* Empty the entire array. */
+void
+xfarray_truncate(
+ struct xfarray *array)
+{
+ xfile_discard(array->xfile, 0, MAX_LFS_FILESIZE);
+ array->nr = 0;
+}
diff --git a/fs/xfs/scrub/xfarray.h b/fs/xfs/scrub/xfarray.h
index 26e2b594f121..8a3af0cecc3e 100644
--- a/fs/xfs/scrub/xfarray.h
+++ b/fs/xfs/scrub/xfarray.h
@@ -45,6 +45,8 @@ int xfarray_unset(struct xfarray *array, xfarray_idx_t idx);
int xfarray_store(struct xfarray *array, xfarray_idx_t idx, const void *ptr);
int xfarray_store_anywhere(struct xfarray *array, const void *ptr);
bool xfarray_element_is_null(struct xfarray *array, const void *ptr);
+void xfarray_truncate(struct xfarray *array);
+long long xfarray_bytes(struct xfarray *array);
/* Append an element to the array. */
static inline int xfarray_append(struct xfarray *array, const void *ptr)
diff --git a/fs/xfs/scrub/xfblob.c b/fs/xfs/scrub/xfblob.c
index 1f89d7d13c59..2f89617a2db8 100644
--- a/fs/xfs/scrub/xfblob.c
+++ b/fs/xfs/scrub/xfblob.c
@@ -150,3 +150,27 @@ xfblob_free(
xfile_discard(blob->xfile, cookie, sizeof(key) + key.xb_size);
return 0;
}
+
+/* How many bytes is this blob storage object consuming? */
+long long
+xfblob_bytes(
+ struct xfblob *blob)
+{
+ struct xfile_stat statbuf;
+ int error;
+
+ error = xfile_stat(blob->xfile, &statbuf);
+ if (error)
+ return error;
+
+ return statbuf.bytes;
+}
+
+/* Drop all the blobs. */
+void
+xfblob_truncate(
+ struct xfblob *blob)
+{
+ xfile_discard(blob->xfile, 0, MAX_LFS_FILESIZE);
+ blob->last_offset = 0;
+}
diff --git a/fs/xfs/scrub/xfblob.h b/fs/xfs/scrub/xfblob.h
index d1282810bb1d..8a5738e1d568 100644
--- a/fs/xfs/scrub/xfblob.h
+++ b/fs/xfs/scrub/xfblob.h
@@ -21,5 +21,7 @@ int xfblob_load(struct xfblob *blob, xfblob_cookie cookie, void *ptr,
int xfblob_store(struct xfblob *blob, xfblob_cookie *cookie, const void *ptr,
uint32_t size);
int xfblob_free(struct xfblob *blob, xfblob_cookie cookie);
+long long xfblob_bytes(struct xfblob *blob);
+void xfblob_truncate(struct xfblob *blob);
#endif /* __XFS_SCRUB_XFBLOB_H__ */
