Kernel doesn't allow inline extent equal or larger than 4K.
And for inline extent larger than 4K, __btrfs_drop_extents() can return
-EOPNOTSUPP and cause unexpected error.
Check it in original mode.
Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
---
check/main.c | 4 ++++
check/mode-original.h | 1 +
2 files changed, 5 insertions(+)
diff --git a/check/main.c b/check/main.c
index 97baae583f04..ce41550ab16a 100644
--- a/check/main.c
+++ b/check/main.c
@@ -560,6 +560,8 @@ static void print_inode_error(struct btrfs_root *root, struct inode_record *rec)
fprintf(stderr, ", bad file extent");
if (errors & I_ERR_FILE_EXTENT_OVERLAP)
fprintf(stderr, ", file extent overlap");
+ if (errors & I_ERR_FILE_EXTENT_TOO_LARGE)
+ fprintf(stderr, ", inline file extent too large");
if (errors & I_ERR_FILE_EXTENT_DISCOUNT)
fprintf(stderr, ", file extent discount");
if (errors & I_ERR_DIR_ISIZE_WRONG)
@@ -1461,6 +1463,8 @@ static int process_file_extent(struct btrfs_root *root,
num_bytes = btrfs_file_extent_inline_len(eb, slot, fi);
if (num_bytes == 0)
rec->errors |= I_ERR_BAD_FILE_EXTENT;
+ if (num_bytes > BTRFS_MAX_INLINE_DATA_SIZE(root->fs_info))
+ rec->errors |= I_ERR_FILE_EXTENT_TOO_LARGE;
rec->found_size += num_bytes;
num_bytes = (num_bytes + mask) & ~mask;
} else if (extent_type == BTRFS_FILE_EXTENT_REG ||
diff --git a/check/mode-original.h b/check/mode-original.h
index f859af478f0f..368de692fdd1 100644
--- a/check/mode-original.h
+++ b/check/mode-original.h
@@ -185,6 +185,7 @@ struct file_extent_hole {
#define I_ERR_SOME_CSUM_MISSING (1 << 12)
#define I_ERR_LINK_COUNT_WRONG (1 << 13)
#define I_ERR_FILE_EXTENT_ORPHAN (1 << 14)
+#define I_ERR_FILE_EXTENT_TOO_LARGE (1 << 15)
struct inode_record {
struct list_head backrefs;
--
2.16.2
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