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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 19:37:45 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 19:37:45 -0700 |
commit | e8bebe2f71d26871b0970ae1d9cf0ed3cdd9569d (patch) | |
tree | c0d82cbd11daaf579b74121c6641d58947091094 /fs/open.c | |
parent | 6109e2ce2600e2db26cd0424bb9c6ed019723288 (diff) | |
parent | 82f3952c02add60b15eea9151d4d99b6b82066c6 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (69 commits)
fix handling of offsets in cris eeprom.c, get rid of fake on-stack files
get rid of home-grown mutex in cris eeprom.c
switch ecryptfs_write() to struct inode *, kill on-stack fake files
switch ecryptfs_get_locked_page() to struct inode *
simplify access to ecryptfs inodes in ->readpage() and friends
AFS: Don't put struct file on the stack
Ban ecryptfs over ecryptfs
logfs: replace inode uid,gid,mode initialization with helper function
ufs: replace inode uid,gid,mode initialization with helper function
udf: replace inode uid,gid,mode init with helper
ubifs: replace inode uid,gid,mode initialization with helper function
sysv: replace inode uid,gid,mode initialization with helper function
reiserfs: replace inode uid,gid,mode initialization with helper function
ramfs: replace inode uid,gid,mode initialization with helper function
omfs: replace inode uid,gid,mode initialization with helper function
bfs: replace inode uid,gid,mode initialization with helper function
ocfs2: replace inode uid,gid,mode initialization with helper function
nilfs2: replace inode uid,gid,mode initialization with helper function
minix: replace inode uid,gid,mode init with helper
ext4: replace inode uid,gid,mode init with helper
...
Trivial conflict in fs/fs-writeback.c (mark bitfields unsigned)
Diffstat (limited to 'fs/open.c')
-rw-r--r-- | fs/open.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/fs/open.c b/fs/open.c index 74e5cd9f718..5463266db9e 100644 --- a/fs/open.c +++ b/fs/open.c @@ -17,7 +17,6 @@ #include <linux/securebits.h> #include <linux/security.h> #include <linux/mount.h> -#include <linux/vfs.h> #include <linux/fcntl.h> #include <linux/slab.h> #include <asm/uaccess.h> @@ -33,171 +32,6 @@ #include "internal.h" -int vfs_statfs(struct dentry *dentry, struct kstatfs *buf) -{ - int retval = -ENODEV; - - if (dentry) { - retval = -ENOSYS; - if (dentry->d_sb->s_op->statfs) { - memset(buf, 0, sizeof(*buf)); - retval = security_sb_statfs(dentry); - if (retval) - return retval; - retval = dentry->d_sb->s_op->statfs(dentry, buf); - if (retval == 0 && buf->f_frsize == 0) - buf->f_frsize = buf->f_bsize; - } - } - return retval; -} - -EXPORT_SYMBOL(vfs_statfs); - -static int vfs_statfs_native(struct dentry *dentry, struct statfs *buf) -{ - struct kstatfs st; - int retval; - - retval = vfs_statfs(dentry, &st); - if (retval) - return retval; - - if (sizeof(*buf) == sizeof(st)) - memcpy(buf, &st, sizeof(st)); - else { - if (sizeof buf->f_blocks == 4) { - if ((st.f_blocks | st.f_bfree | st.f_bavail | - st.f_bsize | st.f_frsize) & - 0xffffffff00000000ULL) - return -EOVERFLOW; - /* - * f_files and f_ffree may be -1; it's okay to stuff - * that into 32 bits - */ - if (st.f_files != -1 && - (st.f_files & 0xffffffff00000000ULL)) - return -EOVERFLOW; - if (st.f_ffree != -1 && - (st.f_ffree & 0xffffffff00000000ULL)) - return -EOVERFLOW; - } - - buf->f_type = st.f_type; - buf->f_bsize = st.f_bsize; - buf->f_blocks = st.f_blocks; - buf->f_bfree = st.f_bfree; - buf->f_bavail = st.f_bavail; - buf->f_files = st.f_files; - buf->f_ffree = st.f_ffree; - buf->f_fsid = st.f_fsid; - buf->f_namelen = st.f_namelen; - buf->f_frsize = st.f_frsize; - memset(buf->f_spare, 0, sizeof(buf->f_spare)); - } - return 0; -} - -static int vfs_statfs64(struct dentry *dentry, struct statfs64 *buf) -{ - struct kstatfs st; - int retval; - - retval = vfs_statfs(dentry, &st); - if (retval) - return retval; - - if (sizeof(*buf) == sizeof(st)) - memcpy(buf, &st, sizeof(st)); - else { - buf->f_type = st.f_type; - buf->f_bsize = st.f_bsize; - buf->f_blocks = st.f_blocks; - buf->f_bfree = st.f_bfree; - buf->f_bavail = st.f_bavail; - buf->f_files = st.f_files; - buf->f_ffree = st.f_ffree; - buf->f_fsid = st.f_fsid; - buf->f_namelen = st.f_namelen; - buf->f_frsize = st.f_frsize; - memset(buf->f_spare, 0, sizeof(buf->f_spare)); - } - return 0; -} - -SYSCALL_DEFINE2(statfs, const char __user *, pathname, struct statfs __user *, buf) -{ - struct path path; - int error; - - error = user_path(pathname, &path); - if (!error) { - struct statfs tmp; - error = vfs_statfs_native(path.dentry, &tmp); - if (!error && copy_to_user(buf, &tmp, sizeof(tmp))) - error = -EFAULT; - path_put(&path); - } - return error; -} - -SYSCALL_DEFINE3(statfs64, const char __user *, pathname, size_t, sz, struct statfs64 __user *, buf) -{ - struct path path; - long error; - - if (sz != sizeof(*buf)) - return -EINVAL; - error = user_path(pathname, &path); - if (!error) { - struct statfs64 tmp; - error = vfs_statfs64(path.dentry, &tmp); - if (!error && copy_to_user(buf, &tmp, sizeof(tmp))) - error = -EFAULT; - path_put(&path); - } - return error; -} - -SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct statfs __user *, buf) -{ - struct file * file; - struct statfs tmp; - int error; - - error = -EBADF; - file = fget(fd); - if (!file) - goto out; - error = vfs_statfs_native(file->f_path.dentry, &tmp); - if (!error && copy_to_user(buf, &tmp, sizeof(tmp))) - error = -EFAULT; - fput(file); -out: - return error; -} - -SYSCALL_DEFINE3(fstatfs64, unsigned int, fd, size_t, sz, struct statfs64 __user *, buf) -{ - struct file * file; - struct statfs64 tmp; - int error; - - if (sz != sizeof(*buf)) - return -EINVAL; - - error = -EBADF; - file = fget(fd); - if (!file) - goto out; - error = vfs_statfs64(file->f_path.dentry, &tmp); - if (!error && copy_to_user(buf, &tmp, sizeof(tmp))) - error = -EFAULT; - fput(file); -out: - return error; -} - int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs, struct file *filp) { |