This is a note to let you know that I've just added the patch titled
fs/ntfs3: Merge synonym COMPRESSION_UNIT and NTFS_LZNT_CUNIT
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fs-ntfs3-merge-synonym-compression_unit-and-ntfs_lzn.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 8f158c4dcf2e7256800328d8164fbae297c339ee
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date: Thu May 16 00:41:02 2024 +0300
fs/ntfs3: Merge synonym COMPRESSION_UNIT and NTFS_LZNT_CUNIT
[ Upstream commit 487f8d482a7e51a640b8f955a398f906a4f83951 ]
COMPRESSION_UNIT and NTFS_LZNT_CUNIT mean the same thing
(1u<<NTFS_LZNT_CUNIT) determines the size for compression (in clusters).
COMPRESS_MAX_CLUSTER is not used in the code.
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Stable-dep-of: 25610ff98d4a ("fs/ntfs3: Fix transform resident to nonresident for compressed files")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c
index 64a6d255c4686..558a7e9bf1ef2 100644
--- a/fs/ntfs3/attrib.c
+++ b/fs/ntfs3/attrib.c
@@ -265,7 +265,7 @@ int attr_make_nonresident(struct ntfs_inode *ni, struct ATTRIB *attr,
align = sbi->cluster_size;
if (is_attr_compressed(attr))
- align <<= COMPRESSION_UNIT;
+ align <<= NTFS_LZNT_CUNIT;
len = (rsize + align - 1) >> sbi->cluster_bits;
run_init(run);
diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c
index b02778cbb1d34..da21a044d3f86 100644
--- a/fs/ntfs3/frecord.c
+++ b/fs/ntfs3/frecord.c
@@ -1453,7 +1453,7 @@ int ni_insert_nonresident(struct ntfs_inode *ni, enum ATTR_TYPE type,
if (is_ext) {
if (flags & ATTR_FLAG_COMPRESSED)
- attr->nres.c_unit = COMPRESSION_UNIT;
+ attr->nres.c_unit = NTFS_LZNT_CUNIT;
attr->nres.total_size = attr->nres.alloc_size;
}
diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c
index 8ac677e3b250c..8b8125b0e7fb8 100644
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -2999,7 +2999,7 @@ static struct ATTRIB *attr_create_nonres_log(struct ntfs_sb_info *sbi,
if (is_ext) {
attr->name_off = SIZEOF_NONRESIDENT_EX_LE;
if (is_attr_compressed(attr))
- attr->nres.c_unit = COMPRESSION_UNIT;
+ attr->nres.c_unit = NTFS_LZNT_CUNIT;
attr->nres.run_off =
cpu_to_le16(SIZEOF_NONRESIDENT_EX + name_size);
diff --git a/fs/ntfs3/inode.c b/fs/ntfs3/inode.c
index ff45ad967fb82..7adfa19a2f067 100644
--- a/fs/ntfs3/inode.c
+++ b/fs/ntfs3/inode.c
@@ -1465,7 +1465,7 @@ struct inode *ntfs_create_inode(struct user_namespace *mnt_userns,
attr->size = cpu_to_le32(SIZEOF_NONRESIDENT_EX + 8);
attr->name_off = SIZEOF_NONRESIDENT_EX_LE;
attr->flags = ATTR_FLAG_COMPRESSED;
- attr->nres.c_unit = COMPRESSION_UNIT;
+ attr->nres.c_unit = NTFS_LZNT_CUNIT;
asize = SIZEOF_NONRESIDENT_EX + 8;
} else {
attr->size = cpu_to_le32(SIZEOF_NONRESIDENT + 8);
diff --git a/fs/ntfs3/ntfs.h b/fs/ntfs3/ntfs.h
index 1197d1a232962..b992ec42a1d92 100644
--- a/fs/ntfs3/ntfs.h
+++ b/fs/ntfs3/ntfs.h
@@ -82,9 +82,6 @@ typedef u32 CLST;
#define RESIDENT_LCN ((CLST)-2)
#define COMPRESSED_LCN ((CLST)-3)
-#define COMPRESSION_UNIT 4
-#define COMPRESS_MAX_CLUSTER 0x1000
-
enum RECORD_NUM {
MFT_REC_MFT = 0,
MFT_REC_MIRR = 1,
