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| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:40 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:46 -0800 |
| commit | c5ef1c42c51b1b5b4a401a6517bdda30933ddbaf (patch) | |
| tree | e1a9804a8af427f700aaba4b386cf8679b317e83 /fs/sysv | |
| parent | 92e1d5be91a0e3ffa5c4697eeb09b2aa22792122 (diff) | |
| download | linux-3.10-c5ef1c42c51b1b5b4a401a6517bdda30933ddbaf.tar.gz linux-3.10-c5ef1c42c51b1b5b4a401a6517bdda30933ddbaf.tar.bz2 linux-3.10-c5ef1c42c51b1b5b4a401a6517bdda30933ddbaf.zip | |
[PATCH] mark struct inode_operations const 3
Many struct inode_operations in the kernel can be "const". Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data. In addition it'll catch accidental writes at compile time to
these shared resources.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/sysv')
| -rw-r--r-- | fs/sysv/file.c | 2 | ||||
| -rw-r--r-- | fs/sysv/inode.c | 2 | ||||
| -rw-r--r-- | fs/sysv/namei.c | 2 | ||||
| -rw-r--r-- | fs/sysv/symlink.c | 2 | ||||
| -rw-r--r-- | fs/sysv/sysv.h | 6 |
5 files changed, 7 insertions, 7 deletions
diff --git a/fs/sysv/file.c b/fs/sysv/file.c index 47a4b728f15..0732ddb9020 100644 --- a/fs/sysv/file.c +++ b/fs/sysv/file.c @@ -30,7 +30,7 @@ const struct file_operations sysv_file_operations = { .sendfile = generic_file_sendfile, }; -struct inode_operations sysv_file_inode_operations = { +const struct inode_operations sysv_file_inode_operations = { .truncate = sysv_truncate, .getattr = sysv_getattr, }; diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index ead9864567e..13dd75c4bc8 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -142,7 +142,7 @@ static inline void write3byte(struct sysv_sb_info *sbi, } } -static struct inode_operations sysv_symlink_inode_operations = { +static const struct inode_operations sysv_symlink_inode_operations = { .readlink = generic_readlink, .follow_link = page_follow_link_light, .put_link = page_put_link, diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index f7c08db8e34..4e48abbd2b5 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -292,7 +292,7 @@ out: /* * directories can handle most operations... */ -struct inode_operations sysv_dir_inode_operations = { +const struct inode_operations sysv_dir_inode_operations = { .create = sysv_create, .lookup = sysv_lookup, .link = sysv_link, diff --git a/fs/sysv/symlink.c b/fs/sysv/symlink.c index b85ce61d635..00d2f8a43e4 100644 --- a/fs/sysv/symlink.c +++ b/fs/sysv/symlink.c @@ -14,7 +14,7 @@ static void *sysv_follow_link(struct dentry *dentry, struct nameidata *nd) return NULL; } -struct inode_operations sysv_fast_symlink_inode_operations = { +const struct inode_operations sysv_fast_symlink_inode_operations = { .readlink = generic_readlink, .follow_link = sysv_follow_link, }; diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h index dcb18b2171f..a320edcf541 100644 --- a/fs/sysv/sysv.h +++ b/fs/sysv/sysv.h @@ -159,9 +159,9 @@ extern struct sysv_dir_entry *sysv_dotdot(struct inode *, struct page **); extern ino_t sysv_inode_by_name(struct dentry *); -extern struct inode_operations sysv_file_inode_operations; -extern struct inode_operations sysv_dir_inode_operations; -extern struct inode_operations sysv_fast_symlink_inode_operations; +extern const struct inode_operations sysv_file_inode_operations; +extern const struct inode_operations sysv_dir_inode_operations; +extern const struct inode_operations sysv_fast_symlink_inode_operations; extern const struct file_operations sysv_file_operations; extern const struct file_operations sysv_dir_operations; extern const struct address_space_operations sysv_aops; |