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apparmor/kernel-patches/for-mainline/statvfs.diff
Andreas Gruenbacher 2b325c1267 Reorder patches.
2007-04-26 15:42:11 +00:00

370 lines
10 KiB
Diff
Raw Blame History

---
fs/compat.c | 13 +++++-----
fs/ecryptfs/super.c | 5 +++-
fs/nfsd/nfs4xdr.c | 2 -
fs/nfsd/vfs.c | 2 -
fs/open.c | 53 ++++++++++++++++++++++++++++++++++---------
fs/super.c | 2 -
include/asm-generic/statfs.h | 9 ++++---
include/asm-x86_64/compat.h | 3 +-
include/asm-x86_64/statfs.h | 9 ++++---
include/linux/fs.h | 2 -
include/linux/statfs.h | 13 +++++++++-
kernel/acct.c | 2 -
12 files changed, 84 insertions(+), 31 deletions(-)
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -194,7 +194,7 @@ static int put_compat_statfs(struct comp
__put_user(kbuf->f_fsid.val[0], &ubuf->f_fsid.val[0]) ||
__put_user(kbuf->f_fsid.val[1], &ubuf->f_fsid.val[1]) ||
__put_user(kbuf->f_frsize, &ubuf->f_frsize) ||
- __put_user(0, &ubuf->f_spare[0]) ||
+ __put_user(kbuf->f_flag, &ubuf->f_flag) ||
__put_user(0, &ubuf->f_spare[1]) ||
__put_user(0, &ubuf->f_spare[2]) ||
__put_user(0, &ubuf->f_spare[3]) ||
@@ -215,7 +215,7 @@ asmlinkage long compat_sys_statfs(const
error = user_path_walk(path, &nd);
if (!error) {
struct kstatfs tmp;
- error = vfs_statfs(nd.dentry, &tmp);
+ error = vfs_statfs(nd.dentry, nd.mnt, &tmp);
if (!error)
error = put_compat_statfs(buf, &tmp);
path_release(&nd);
@@ -233,7 +233,7 @@ asmlinkage long compat_sys_fstatfs(unsig
file = fget(fd);
if (!file)
goto out;
- error = vfs_statfs(file->f_path.dentry, &tmp);
+ error = vfs_statfs(file->f_path.dentry, file->f_path.mnt, &tmp);
if (!error)
error = put_compat_statfs(buf, &tmp);
fput(file);
@@ -267,7 +267,8 @@ static int put_compat_statfs64(struct co
__put_user(kbuf->f_namelen, &ubuf->f_namelen) ||
__put_user(kbuf->f_fsid.val[0], &ubuf->f_fsid.val[0]) ||
__put_user(kbuf->f_fsid.val[1], &ubuf->f_fsid.val[1]) ||
- __put_user(kbuf->f_frsize, &ubuf->f_frsize))
+ __put_user(kbuf->f_frsize, &ubuf->f_frsize) ||
+ __put_user(kbuf->f_flag, &ubuf->f_flag))
return -EFAULT;
return 0;
}
@@ -283,7 +284,7 @@ asmlinkage long compat_sys_statfs64(cons
error = user_path_walk(path, &nd);
if (!error) {
struct kstatfs tmp;
- error = vfs_statfs(nd.dentry, &tmp);
+ error = vfs_statfs(nd.dentry, nd.mnt, &tmp);
if (!error)
error = put_compat_statfs64(buf, &tmp);
path_release(&nd);
@@ -304,7 +305,7 @@ asmlinkage long compat_sys_fstatfs64(uns
file = fget(fd);
if (!file)
goto out;
- error = vfs_statfs(file->f_path.dentry, &tmp);
+ error = vfs_statfs(file->f_path.dentry, file->f_path.mnt, &tmp);
if (!error)
error = put_compat_statfs64(buf, &tmp);
fput(file);
--- a/fs/ecryptfs/super.c
+++ b/fs/ecryptfs/super.c
@@ -119,7 +119,10 @@ static void ecryptfs_put_super(struct su
*/
static int ecryptfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
- return vfs_statfs(ecryptfs_dentry_to_lower(dentry), buf);
+ struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
+ struct vfsmount *lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry);
+
+ return vfs_statfs(lower_dentry, lower_mnt, buf);
}
/**
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1457,7 +1457,7 @@ nfsd4_encode_fattr(struct svc_fh *fhp, s
if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL)) ||
(bmval1 & (FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE |
FATTR4_WORD1_SPACE_TOTAL))) {
- err = vfs_statfs(dentry, &statfs);
+ err = vfs_statfs(dentry, exp->ex_mnt, &statfs);
if (err)
goto out_nfserr;
}
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1767,7 +1767,7 @@ __be32
nfsd_statfs(struct svc_rqst *rqstp, struct svc_fh *fhp, struct kstatfs *stat)
{
__be32 err = fh_verify(rqstp, fhp, 0, MAY_NOP);
- if (!err && vfs_statfs(fhp->fh_dentry,stat))
+ if (!err && vfs_statfs(fhp->fh_dentry, fhp->fh_export->ex_mnt, stat))
err = nfserr_io;
return err;
}
--- a/fs/open.c
+++ b/fs/open.c
@@ -28,7 +28,7 @@
#include <linux/rcupdate.h>
#include <linux/audit.h>
-int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
+int vfs_statfs(struct dentry *dentry, struct vfsmount *mnt, struct kstatfs *buf)
{
int retval = -ENODEV;
@@ -40,8 +40,35 @@ int vfs_statfs(struct dentry *dentry, st
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;
+ if (retval == 0) {
+ unsigned long f_flag = ST_IN_USE;
+ unsigned long x;
+
+ if (buf->f_frsize == 0)
+ buf->f_frsize = buf->f_bsize;
+
+ x = dentry->d_inode->i_sb->s_flags;
+ if (x & MS_RDONLY)
+ f_flag |= ST_RDONLY;
+ if (x & MS_SYNCHRONOUS)
+ f_flag |= ST_SYNCHRONOUS;
+ if (x & MS_MANDLOCK)
+ f_flag |= ST_MANDLOCK;
+
+ if (mnt) {
+ int x = mnt->mnt_flags;
+
+ if (x & MNT_NOSUID)
+ f_flag |= ST_NOSUID;
+ if (x & MNT_NODEV)
+ f_flag |= ST_NODEV;
+ if (x & MNT_NOATIME)
+ f_flag |= ST_NOATIME;
+ if (x & MNT_NODIRATIME)
+ f_flag |= ST_NODIRATIME;
+ }
+ buf->f_flag = f_flag;
+ }
}
}
return retval;
@@ -49,12 +76,13 @@ int vfs_statfs(struct dentry *dentry, st
EXPORT_SYMBOL(vfs_statfs);
-static int vfs_statfs_native(struct dentry *dentry, struct statfs *buf)
+static int vfs_statfs_native(struct dentry *dentry, struct vfsmount *mnt,
+ struct statfs *buf)
{
struct kstatfs st;
int retval;
- retval = vfs_statfs(dentry, &st);
+ retval = vfs_statfs(dentry, mnt, &st);
if (retval)
return retval;
@@ -87,17 +115,19 @@ static int vfs_statfs_native(struct dent
buf->f_fsid = st.f_fsid;
buf->f_namelen = st.f_namelen;
buf->f_frsize = st.f_frsize;
+ buf->f_flag = st.f_flag;
memset(buf->f_spare, 0, sizeof(buf->f_spare));
}
return 0;
}
-static int vfs_statfs64(struct dentry *dentry, struct statfs64 *buf)
+static int vfs_statfs64(struct dentry *dentry, struct vfsmount *mnt,
+ struct statfs64 *buf)
{
struct kstatfs st;
int retval;
- retval = vfs_statfs(dentry, &st);
+ retval = vfs_statfs(dentry, mnt, &st);
if (retval)
return retval;
@@ -114,6 +144,7 @@ static int vfs_statfs64(struct dentry *d
buf->f_fsid = st.f_fsid;
buf->f_namelen = st.f_namelen;
buf->f_frsize = st.f_frsize;
+ buf->f_flag = st.f_flag;
memset(buf->f_spare, 0, sizeof(buf->f_spare));
}
return 0;
@@ -127,7 +158,7 @@ asmlinkage long sys_statfs(const char __
error = user_path_walk(path, &nd);
if (!error) {
struct statfs tmp;
- error = vfs_statfs_native(nd.dentry, &tmp);
+ error = vfs_statfs_native(nd.dentry, nd.mnt, &tmp);
if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
error = -EFAULT;
path_release(&nd);
@@ -146,7 +177,7 @@ asmlinkage long sys_statfs64(const char
error = user_path_walk(path, &nd);
if (!error) {
struct statfs64 tmp;
- error = vfs_statfs64(nd.dentry, &tmp);
+ error = vfs_statfs64(nd.dentry, nd.mnt, &tmp);
if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
error = -EFAULT;
path_release(&nd);
@@ -165,7 +196,7 @@ asmlinkage long sys_fstatfs(unsigned int
file = fget(fd);
if (!file)
goto out;
- error = vfs_statfs_native(file->f_path.dentry, &tmp);
+ error = vfs_statfs_native(file->f_path.dentry, file->f_path.mnt, &tmp);
if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
error = -EFAULT;
fput(file);
@@ -186,7 +217,7 @@ asmlinkage long sys_fstatfs64(unsigned i
file = fget(fd);
if (!file)
goto out;
- error = vfs_statfs64(file->f_path.dentry, &tmp);
+ error = vfs_statfs64(file->f_path.dentry, file->f_path.mnt, &tmp);
if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
error = -EFAULT;
fput(file);
--- a/fs/super.c
+++ b/fs/super.c
@@ -542,7 +542,7 @@ asmlinkage long sys_ustat(unsigned dev,
s = user_get_super(new_decode_dev(dev));
if (s == NULL)
goto out;
- err = vfs_statfs(s->s_root, &sbuf);
+ err = vfs_statfs(s->s_root, NULL, &sbuf);
drop_super(s);
if (err)
goto out;
--- a/include/asm-generic/statfs.h
+++ b/include/asm-generic/statfs.h
@@ -17,7 +17,8 @@ struct statfs {
__kernel_fsid_t f_fsid;
__u32 f_namelen;
__u32 f_frsize;
- __u32 f_spare[5];
+ __u32 f_flag;
+ __u32 f_spare[4];
};
struct statfs64 {
@@ -31,7 +32,8 @@ struct statfs64 {
__kernel_fsid_t f_fsid;
__u32 f_namelen;
__u32 f_frsize;
- __u32 f_spare[5];
+ __u32 f_flag;
+ __u32 f_spare[4];
};
struct compat_statfs64 {
@@ -45,7 +47,8 @@ struct compat_statfs64 {
__kernel_fsid_t f_fsid;
__u32 f_namelen;
__u32 f_frsize;
- __u32 f_spare[5];
+ __u32 f_flag;
+ __u32 f_spare[4];
};
#endif
--- a/include/asm-x86_64/compat.h
+++ b/include/asm-x86_64/compat.h
@@ -104,7 +104,8 @@ struct compat_statfs {
compat_fsid_t f_fsid;
int f_namelen; /* SunOS ignores this field. */
int f_frsize;
- int f_spare[5];
+ int f_flag;
+ int f_spare[4];
};
#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
--- a/include/asm-x86_64/statfs.h
+++ b/include/asm-x86_64/statfs.h
@@ -24,7 +24,8 @@ struct statfs {
__kernel_fsid_t f_fsid;
long f_namelen;
long f_frsize;
- long f_spare[5];
+ long f_flag;
+ long f_spare[4];
};
struct statfs64 {
@@ -38,7 +39,8 @@ struct statfs64 {
__kernel_fsid_t f_fsid;
long f_namelen;
long f_frsize;
- long f_spare[5];
+ long f_flag;
+ long f_spare[4];
};
struct compat_statfs64 {
@@ -52,7 +54,8 @@ struct compat_statfs64 {
__kernel_fsid_t f_fsid;
__u32 f_namelen;
__u32 f_frsize;
- __u32 f_spare[5];
+ __u32 f_flag;
+ __u32 f_spare[4];
} __attribute__((packed));
#endif
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1408,7 +1408,7 @@ extern struct vfsmount *copy_tree(struct
extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
struct vfsmount *);
-extern int vfs_statfs(struct dentry *, struct kstatfs *);
+extern int vfs_statfs(struct dentry *, struct vfsmount *, struct kstatfs *);
/* /sys/fs */
extern struct subsystem fs_subsys;
--- a/include/linux/statfs.h
+++ b/include/linux/statfs.h
@@ -16,7 +16,18 @@ struct kstatfs {
__kernel_fsid_t f_fsid;
long f_namelen;
long f_frsize;
- long f_spare[5];
+ unsigned long f_flag;
+ long f_spare[4];
};
+#define ST_RDONLY 1
+#define ST_NOSUID 2
+#define ST_NODEV 4
+#define ST_NOEXEC 8
+#define ST_SYNCHRONOUS 16
+#define ST_MANDLOCK 64
+#define ST_NOATIME 1024
+#define ST_NODIRATIME 2048
+#define ST_IN_USE (1 << 31)
+
#endif
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -118,7 +118,7 @@ static int check_free_space(struct file
spin_unlock(&acct_globals.lock);
/* May block */
- if (vfs_statfs(file->f_path.dentry, &sbuf))
+ if (vfs_statfs(file->f_path.dentry, file->f_path.mnt, &sbuf))
return res;
suspend = sbuf.f_blocks * SUSPEND;
resume = sbuf.f_blocks * RESUME;
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