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| author | Ben Hutchings <ben@decadent.org.uk> | 2010-05-17 14:00:00 +0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2010-05-17 14:00:00 +0400 |
| commit | 4d92dc0f00a775dc2e1267b0e00befb783902fe7 (patch) | |
| tree | 07bb835871dfcc290f5909fe6635ab420ff61420 /fs/ext4/ext4.h | |
| parent | 899ad0cea6ad7ff4ba24b16318edbc3cbbe03fad (diff) | |
| download | linux-4d92dc0f00a775dc2e1267b0e00befb783902fe7.tar.xz | |
ext4: Fix compat EXT4_IOC_ADD_GROUP
struct ext4_new_group_input needs to be converted because u64 has
only 32-bit alignment on some 32-bit architectures, notably i386.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index d8c28f658cb0..2c1165f731ac 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -29,6 +29,9 @@ #include <linux/wait.h> #include <linux/blockgroup_lock.h> #include <linux/percpu_counter.h> +#ifdef __KERNEL__ +#include <linux/compat.h> +#endif /* * The fourth extended filesystem constants/structures @@ -432,6 +435,18 @@ struct ext4_new_group_input { __u16 unused; }; +#if defined(__KERNEL__) && defined(CONFIG_COMPAT) +struct compat_ext4_new_group_input { + u32 group; + compat_u64 block_bitmap; + compat_u64 inode_bitmap; + compat_u64 inode_table; + u32 blocks_count; + u16 reserved_blocks; + u16 unused; +}; +#endif + /* The struct ext4_new_group_input in kernel space, with free_blocks_count */ struct ext4_new_group_data { __u32 group; @@ -509,6 +524,7 @@ struct ext4_new_group_data { #define EXT4_IOC32_GETRSVSZ _IOR('f', 5, int) #define EXT4_IOC32_SETRSVSZ _IOW('f', 6, int) #define EXT4_IOC32_GROUP_EXTEND _IOW('f', 7, unsigned int) +#define EXT4_IOC32_GROUP_ADD _IOW('f', 8, struct compat_ext4_new_group_input) #ifdef CONFIG_JBD2_DEBUG #define EXT4_IOC32_WAIT_FOR_READONLY _IOR('f', 99, int) #endif |