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| author | Eric Biggers <ebiggers@google.com> | 2017-04-29 23:47:50 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2017-04-29 23:47:50 -0400 |
| commit | d60061867303aa2fee516e9a34efc15e78d975a9 (patch) | |
| tree | 8809db4e180a92f88d9de2f0031783cdb7681fcc /fs/ext4/ext4.h | |
| parent | 1bc0af600b011dbbf9bbf39664b858ea2e365729 (diff) | |
| download | op-kernel-dev-d60061867303aa2fee516e9a34efc15e78d975a9.zip op-kernel-dev-d60061867303aa2fee516e9a34efc15e78d975a9.tar.gz | |
ext4: constify static data that is never modified
Constify static data in ext4 that is never (intentionally) modified so
that it is placed in .rodata and benefits from memory protection.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index deb36ec..13742d6 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2365,7 +2365,7 @@ static inline void ext4_update_dx_flag(struct inode *inode) if (!ext4_has_feature_dir_index(inode->i_sb)) ext4_clear_inode_flag(inode, EXT4_INODE_INDEX); } -static unsigned char ext4_filetype_table[] = { +static const unsigned char ext4_filetype_table[] = { DT_UNKNOWN, DT_REG, DT_DIR, DT_CHR, DT_BLK, DT_FIFO, DT_SOCK, DT_LNK }; @@ -3050,7 +3050,7 @@ extern int ext4_handle_dirty_dirent_node(handle_t *handle, struct inode *inode, struct buffer_head *bh); #define S_SHIFT 12 -static unsigned char ext4_type_by_mode[S_IFMT >> S_SHIFT] = { +static const unsigned char ext4_type_by_mode[S_IFMT >> S_SHIFT] = { [S_IFREG >> S_SHIFT] = EXT4_FT_REG_FILE, [S_IFDIR >> S_SHIFT] = EXT4_FT_DIR, [S_IFCHR >> S_SHIFT] = EXT4_FT_CHRDEV, |
