From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/fs/ext4/ext4_extents.h | 18 +++++++++++++-----
1 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/kernel/fs/ext4/ext4_extents.h b/kernel/fs/ext4/ext4_extents.h
index c5794ff..44e5988 100644
--- a/kernel/fs/ext4/ext4_extents.h
+++ b/kernel/fs/ext4/ext4_extents.h
@@ -120,6 +120,19 @@
};
/*
+ * Used to record a portion of a cluster found at the beginning or end
+ * of an extent while traversing the extent tree during space removal.
+ * A partial cluster may be removed if it does not contain blocks shared
+ * with extents that aren't being deleted (tofree state). Otherwise,
+ * it cannot be removed (nofree state).
+ */
+struct partial_cluster {
+ ext4_fsblk_t pclu; /* physical cluster number */
+ ext4_lblk_t lblk; /* logical block number within logical cluster */
+ enum {initial, tofree, nofree} state;
+};
+
+/*
* structure for external API
*/
@@ -256,11 +269,6 @@
ix->ei_leaf_hi = cpu_to_le16((unsigned long) ((pb >> 31) >> 1) &
0xffff);
}
-
-#define ext4_ext_dirty(handle, inode, path) \
- __ext4_ext_dirty(__func__, __LINE__, (handle), (inode), (path))
-int __ext4_ext_dirty(const char *where, unsigned int line, handle_t *handle,
- struct inode *inode, struct ext4_ext_path *path);
#endif /* _EXT4_EXTENTS */
--
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