xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] befs: endianness annotations

Browse Source 
split the data structures that exist in host- and disk-endian variants,
annotate the fields of disk-endian ones, propagate changes.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro
2005-12-24 14:28:55 -05:00
committed by Linus Torvalds
parent e5201c58cd
commit a9721f3152
6 changed files with 106 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
fs/befs/endian.h
View File

@@ -68,26 +68,26 @@ cpu_to_fs16(const struct super_block *sb, u16 n)
/* Composite types below here */
static inline befs_block_run
fsrun_to_cpu(const struct super_block *sb, befs_block_run n)
fsrun_to_cpu(const struct super_block *sb, befs_disk_block_run n)
{
befs_block_run run;
if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE) {
run.allocation_group = le32_to_cpu(n.allocation_group);
run.start = le16_to_cpu(n.start);
run.len = le16_to_cpu(n.len);
run.allocation_group = le32_to_cpu((__force __le32)n.allocation_group);
run.start = le16_to_cpu((__force __le16)n.start);
run.len = le16_to_cpu((__force __le16)n.len);
} else {
run.allocation_group = be32_to_cpu(n.allocation_group);
run.start = be16_to_cpu(n.start);
run.len = be16_to_cpu(n.len);
run.allocation_group = be32_to_cpu((__force __be32)n.allocation_group);
run.start = be16_to_cpu((__force __be16)n.start);
run.len = be16_to_cpu((__force __be16)n.len);
}
return run;
}
static inline befs_block_run
static inline befs_disk_block_run
cpu_to_fsrun(const struct super_block *sb, befs_block_run n)
{
befs_block_run run;
befs_disk_block_run run;
if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE) {
run.allocation_group = cpu_to_le32(n.allocation_group);
@@ -102,7 +102,7 @@ cpu_to_fsrun(const struct super_block *sb, befs_block_run n)
}
static inline befs_data_stream
fsds_to_cpu(const struct super_block *sb, befs_data_stream n)
fsds_to_cpu(const struct super_block *sb, befs_disk_data_stream n)
{
befs_data_stream data;
int i;