Merge branch 'akpm' (patches from Andrew)

Merge third patchbomb from Andrew Morton:

 - various misc things

 - a couple of lib/ optimisations

 - provide DIV_ROUND_CLOSEST_ULL()

 - checkpatch updates

 - rtc tree

 - befs, nilfs2, hfs, hfsplus, fatfs, adfs, affs, bfs

 - ptrace fixes

 - fork() fixes

 - seccomp cleanups

 - more mmap_sem hold time reductions from Davidlohr

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (138 commits)
  proc: show locks in /proc/pid/fdinfo/X
  docs: add missing and new /proc/PID/status file entries, fix typos
  drivers/rtc/rtc-at91rm9200.c: make IO endian agnostic
  Documentation/spi/spidev_test.c: fix warning
  drivers/rtc/rtc-s5m.c: allow usage on device type different than main MFD type
  .gitignore: ignore *.tar
  MAINTAINERS: add Mediatek SoC mailing list
  tomoyo: reduce mmap_sem hold for mm->exe_file
  powerpc/oprofile: reduce mmap_sem hold for exe_file
  oprofile: reduce mmap_sem hold for mm->exe_file
  mips: ip32: add platform data hooks to use DS1685 driver
  lib/Kconfig: fix up HAVE_ARCH_BITREVERSE help text
  x86: switch to using asm-generic for seccomp.h
  sparc: switch to using asm-generic for seccomp.h
  powerpc: switch to using asm-generic for seccomp.h
  parisc: switch to using asm-generic for seccomp.h
  mips: switch to using asm-generic for seccomp.h
  microblaze: use asm-generic for seccomp.h
  arm: use asm-generic for seccomp.h
  seccomp: allow COMPAT sigreturn overrides
  ...
This commit is contained in:
Linus Torvalds
2015-04-17 09:04:38 -04:00
158 changed files with 2194 additions and 1555 deletions

View File

@@ -118,9 +118,7 @@ int __hfs_brec_find(struct hfs_bnode *bnode, struct hfs_find_data *fd,
int b, e;
int res;
if (!rec_found)
BUG();
BUG_ON(!rec_found);
b = 0;
e = bnode->num_recs - 1;
res = -ENOENT;

View File

@@ -350,10 +350,11 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str)
&fd.search_key->cat.name.unicode,
off + 2, len);
fd.search_key->key_len = cpu_to_be16(6 + len);
} else
} else {
err = hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, str);
if (unlikely(err))
goto out;
}
err = hfs_brec_find(&fd, hfs_find_rec_by_key);
if (err)

View File

@@ -434,7 +434,7 @@ static int hfsplus_symlink(struct inode *dir, struct dentry *dentry,
{
struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb);
struct inode *inode;
int res = -ENOSPC;
int res = -ENOMEM;
mutex_lock(&sbi->vh_mutex);
inode = hfsplus_new_inode(dir->i_sb, S_IFLNK | S_IRWXUGO);
@@ -476,7 +476,7 @@ static int hfsplus_mknod(struct inode *dir, struct dentry *dentry,
{
struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb);
struct inode *inode;
int res = -ENOSPC;
int res = -ENOMEM;
mutex_lock(&sbi->vh_mutex);
inode = hfsplus_new_inode(dir->i_sb, mode);

View File

@@ -253,6 +253,12 @@ static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
if ((attr->ia_valid & ATTR_SIZE) &&
attr->ia_size != i_size_read(inode)) {
inode_dio_wait(inode);
if (attr->ia_size > inode->i_size) {
error = generic_cont_expand_simple(inode,
attr->ia_size);
if (error)
return error;
}
truncate_setsize(inode, attr->ia_size);
hfsplus_file_truncate(inode);
}

View File

@@ -76,7 +76,7 @@ static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags)
{
struct inode *inode = file_inode(file);
struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
unsigned int flags;
unsigned int flags, new_fl = 0;
int err = 0;
err = mnt_want_write_file(file);
@@ -110,14 +110,12 @@ static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags)
}
if (flags & FS_IMMUTABLE_FL)
inode->i_flags |= S_IMMUTABLE;
else
inode->i_flags &= ~S_IMMUTABLE;
new_fl |= S_IMMUTABLE;
if (flags & FS_APPEND_FL)
inode->i_flags |= S_APPEND;
else
inode->i_flags &= ~S_APPEND;
new_fl |= S_APPEND;
inode_set_flags(inode, new_fl, S_IMMUTABLE | S_APPEND);
if (flags & FS_NODUMP_FL)
hip->userflags |= HFSPLUS_FLG_NODUMP;

View File

@@ -44,7 +44,7 @@ static int strcmp_xattr_acl(const char *name)
return -1;
}
static inline int is_known_namespace(const char *name)
static bool is_known_namespace(const char *name)
{
if (strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN) &&
strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN) &&
@@ -424,6 +424,28 @@ static int copy_name(char *buffer, const char *xattr_name, int name_len)
return len;
}
int hfsplus_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags,
const char *prefix, size_t prefixlen)
{
char *xattr_name;
int res;
if (!strcmp(name, ""))
return -EINVAL;
xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
GFP_KERNEL);
if (!xattr_name)
return -ENOMEM;
strcpy(xattr_name, prefix);
strcpy(xattr_name + prefixlen, name);
res = __hfsplus_setxattr(dentry->d_inode, xattr_name, value, size,
flags);
kfree(xattr_name);
return res;
}
static ssize_t hfsplus_getxattr_finder_info(struct inode *inode,
void *value, size_t size)
{
@@ -560,6 +582,30 @@ failed_getxattr_init:
return res;
}
ssize_t hfsplus_getxattr(struct dentry *dentry, const char *name,
void *value, size_t size,
const char *prefix, size_t prefixlen)
{
int res;
char *xattr_name;
if (!strcmp(name, ""))
return -EINVAL;
xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
GFP_KERNEL);
if (!xattr_name)
return -ENOMEM;
strcpy(xattr_name, prefix);
strcpy(xattr_name + prefixlen, name);
res = __hfsplus_getxattr(dentry->d_inode, xattr_name, value, size);
kfree(xattr_name);
return res;
}
static inline int can_list(const char *xattr_name)
{
if (!xattr_name)
@@ -806,9 +852,6 @@ end_removexattr:
static int hfsplus_osx_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
{
char *xattr_name;
int res;
if (!strcmp(name, ""))
return -EINVAL;
@@ -818,24 +861,19 @@ static int hfsplus_osx_getxattr(struct dentry *dentry, const char *name,
*/
if (is_known_namespace(name))
return -EOPNOTSUPP;
xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN
+ XATTR_MAC_OSX_PREFIX_LEN + 1, GFP_KERNEL);
if (!xattr_name)
return -ENOMEM;
strcpy(xattr_name, XATTR_MAC_OSX_PREFIX);
strcpy(xattr_name + XATTR_MAC_OSX_PREFIX_LEN, name);
res = hfsplus_getxattr(dentry, xattr_name, buffer, size);
kfree(xattr_name);
return res;
/*
* osx is the namespace we use to indicate an unprefixed
* attribute on the filesystem (like the ones that OS X
* creates), so we pass the name through unmodified (after
* ensuring it doesn't conflict with another namespace).
*/
return __hfsplus_getxattr(dentry->d_inode, name, buffer, size);
}
static int hfsplus_osx_setxattr(struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags, int type)
{
char *xattr_name;
int res;
if (!strcmp(name, ""))
return -EINVAL;
@@ -845,16 +883,14 @@ static int hfsplus_osx_setxattr(struct dentry *dentry, const char *name,
*/
if (is_known_namespace(name))
return -EOPNOTSUPP;
xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN
+ XATTR_MAC_OSX_PREFIX_LEN + 1, GFP_KERNEL);
if (!xattr_name)
return -ENOMEM;
strcpy(xattr_name, XATTR_MAC_OSX_PREFIX);
strcpy(xattr_name + XATTR_MAC_OSX_PREFIX_LEN, name);
res = hfsplus_setxattr(dentry, xattr_name, buffer, size, flags);
kfree(xattr_name);
return res;
/*
* osx is the namespace we use to indicate an unprefixed
* attribute on the filesystem (like the ones that OS X
* creates), so we pass the name through unmodified (after
* ensuring it doesn't conflict with another namespace).
*/
return __hfsplus_setxattr(dentry->d_inode, name, buffer, size, flags);
}
static size_t hfsplus_osx_listxattr(struct dentry *dentry, char *list,

View File

@@ -21,22 +21,16 @@ extern const struct xattr_handler *hfsplus_xattr_handlers[];
int __hfsplus_setxattr(struct inode *inode, const char *name,
const void *value, size_t size, int flags);
static inline int hfsplus_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags)
{
return __hfsplus_setxattr(dentry->d_inode, name, value, size, flags);
}
int hfsplus_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags,
const char *prefix, size_t prefixlen);
ssize_t __hfsplus_getxattr(struct inode *inode, const char *name,
void *value, size_t size);
void *value, size_t size);
static inline ssize_t hfsplus_getxattr(struct dentry *dentry,
const char *name,
void *value,
size_t size)
{
return __hfsplus_getxattr(dentry->d_inode, name, value, size);
}
ssize_t hfsplus_getxattr(struct dentry *dentry, const char *name,
void *value, size_t size,
const char *prefix, size_t prefixlen);
ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size);

View File

@@ -16,43 +16,17 @@
static int hfsplus_security_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
{
char *xattr_name;
int res;
if (!strcmp(name, ""))
return -EINVAL;
xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
GFP_KERNEL);
if (!xattr_name)
return -ENOMEM;
strcpy(xattr_name, XATTR_SECURITY_PREFIX);
strcpy(xattr_name + XATTR_SECURITY_PREFIX_LEN, name);
res = hfsplus_getxattr(dentry, xattr_name, buffer, size);
kfree(xattr_name);
return res;
return hfsplus_getxattr(dentry, name, buffer, size,
XATTR_SECURITY_PREFIX,
XATTR_SECURITY_PREFIX_LEN);
}
static int hfsplus_security_setxattr(struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags, int type)
{
char *xattr_name;
int res;
if (!strcmp(name, ""))
return -EINVAL;
xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
GFP_KERNEL);
if (!xattr_name)
return -ENOMEM;
strcpy(xattr_name, XATTR_SECURITY_PREFIX);
strcpy(xattr_name + XATTR_SECURITY_PREFIX_LEN, name);
res = hfsplus_setxattr(dentry, xattr_name, buffer, size, flags);
kfree(xattr_name);
return res;
return hfsplus_setxattr(dentry, name, buffer, size, flags,
XATTR_SECURITY_PREFIX,
XATTR_SECURITY_PREFIX_LEN);
}
static size_t hfsplus_security_listxattr(struct dentry *dentry, char *list,

View File

@@ -14,43 +14,16 @@
static int hfsplus_trusted_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
{
char *xattr_name;
int res;
if (!strcmp(name, ""))
return -EINVAL;
xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
GFP_KERNEL);
if (!xattr_name)
return -ENOMEM;
strcpy(xattr_name, XATTR_TRUSTED_PREFIX);
strcpy(xattr_name + XATTR_TRUSTED_PREFIX_LEN, name);
res = hfsplus_getxattr(dentry, xattr_name, buffer, size);
kfree(xattr_name);
return res;
return hfsplus_getxattr(dentry, name, buffer, size,
XATTR_TRUSTED_PREFIX,
XATTR_TRUSTED_PREFIX_LEN);
}
static int hfsplus_trusted_setxattr(struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags, int type)
{
char *xattr_name;
int res;
if (!strcmp(name, ""))
return -EINVAL;
xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
GFP_KERNEL);
if (!xattr_name)
return -ENOMEM;
strcpy(xattr_name, XATTR_TRUSTED_PREFIX);
strcpy(xattr_name + XATTR_TRUSTED_PREFIX_LEN, name);
res = hfsplus_setxattr(dentry, xattr_name, buffer, size, flags);
kfree(xattr_name);
return res;
return hfsplus_setxattr(dentry, name, buffer, size, flags,
XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN);
}
static size_t hfsplus_trusted_listxattr(struct dentry *dentry, char *list,

View File

@@ -14,43 +14,16 @@
static int hfsplus_user_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
{
char *xattr_name;
int res;
if (!strcmp(name, ""))
return -EINVAL;
xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
GFP_KERNEL);
if (!xattr_name)
return -ENOMEM;
strcpy(xattr_name, XATTR_USER_PREFIX);
strcpy(xattr_name + XATTR_USER_PREFIX_LEN, name);
res = hfsplus_getxattr(dentry, xattr_name, buffer, size);
kfree(xattr_name);
return res;
return hfsplus_getxattr(dentry, name, buffer, size,
XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
}
static int hfsplus_user_setxattr(struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags, int type)
{
char *xattr_name;
int res;
if (!strcmp(name, ""))
return -EINVAL;
xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1,
GFP_KERNEL);
if (!xattr_name)
return -ENOMEM;
strcpy(xattr_name, XATTR_USER_PREFIX);
strcpy(xattr_name + XATTR_USER_PREFIX_LEN, name);
res = hfsplus_setxattr(dentry, xattr_name, buffer, size, flags);
kfree(xattr_name);
return res;
return hfsplus_setxattr(dentry, name, buffer, size, flags,
XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
}
static size_t hfsplus_user_listxattr(struct dentry *dentry, char *list,