saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0);
saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0);
- saa_call_all(dev, core, s_power, 0);
+ saa_call_all(dev, tuner, standby);
if (vdev->vfl_type == VFL_TYPE_RADIO)
saa_call_all(dev, core, ioctl, SAA6588_CMD_CLOSE, &cmd);
mutex_unlock(&dev->lock);
cmd.instance = file;
cmd.event_list = wait;
- cmd.result = 0;
+ cmd.poll_mask = 0;
mutex_lock(&dev->lock);
saa_call_all(dev, core, ioctl, SAA6588_CMD_POLL, &cmd);
mutex_unlock(&dev->lock);
- return rc | cmd.result;
+ return rc | cmd.poll_mask;
}
/* ------------------------------------------------------------------ */
#include <linux/ceph/ceph_debug.h>
#include <linux/spinlock.h>
- #include <linux/fs_struct.h>
#include <linux/namei.h>
#include <linux/slab.h>
#include <linux/sched.h>
}
/*
- * For a soon-to-be unlinked file, drop the AUTH_RDCACHE caps. If it
- * looks like the link count will hit 0, drop any other caps (other
- * than PIN) we don't specifically want (due to the file still being
- * open).
- */
-static int drop_caps_for_unlink(struct inode *inode)
-{
- struct ceph_inode_info *ci = ceph_inode(inode);
- int drop = CEPH_CAP_LINK_SHARED | CEPH_CAP_LINK_EXCL;
-
- spin_lock(&ci->i_ceph_lock);
- if (inode->i_nlink == 1) {
- drop |= ~(__ceph_caps_wanted(ci) | CEPH_CAP_PIN);
- ci->i_ceph_flags |= CEPH_I_NODELAY;
- }
- spin_unlock(&ci->i_ceph_lock);
- return drop;
-}
-
-/*
* rmdir and unlink are differ only by the metadata op code
*/
static int ceph_unlink(struct inode *dir, struct dentry *dentry)
set_bit(CEPH_MDS_R_PARENT_LOCKED, &req->r_req_flags);
req->r_dentry_drop = CEPH_CAP_FILE_SHARED;
req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
- req->r_inode_drop = drop_caps_for_unlink(inode);
+ req->r_inode_drop = ceph_drop_caps_for_unlink(inode);
err = ceph_mdsc_do_request(mdsc, dir, req);
if (!err && !req->r_reply_info.head->is_dentry)
d_delete(dentry);
req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
/* release LINK_RDCACHE on source inode (mds will lock it) */
req->r_old_inode_drop = CEPH_CAP_LINK_SHARED | CEPH_CAP_LINK_EXCL;
- if (d_really_is_positive(new_dentry))
- req->r_inode_drop = drop_caps_for_unlink(d_inode(new_dentry));
+ if (d_really_is_positive(new_dentry)) {
+ req->r_inode_drop =
+ ceph_drop_caps_for_unlink(d_inode(new_dentry));
+ }
err = ceph_mdsc_do_request(mdsc, old_dir, req);
if (!err && !req->r_reply_info.head->is_dentry) {
/*
return err;
}
-static int __writepage(struct page *page, struct writeback_control *wbc,
- void *data)
-{
- struct address_space *mapping = data;
- int ret = ext4_writepage(page, wbc);
- mapping_set_error(mapping, ret);
- return ret;
-}
-
static int ext4_writepages(struct address_space *mapping,
struct writeback_control *wbc)
{
goto out_writepages;
if (ext4_should_journal_data(inode)) {
- struct blk_plug plug;
-
- blk_start_plug(&plug);
- ret = write_cache_pages(mapping, wbc, __writepage, mapping);
- blk_finish_plug(&plug);
+ ret = generic_writepages(mapping, wbc);
goto out_writepages;
}
iomap->flags |= IOMAP_F_DIRTY;
iomap->bdev = inode->i_sb->s_bdev;
iomap->dax_dev = sbi->s_daxdev;
- iomap->offset = first_block << blkbits;
+ iomap->offset = (u64)first_block << blkbits;
iomap->length = (u64)map.m_len << blkbits;
if (ret == 0) {
int orphan = 0;
handle_t *handle;
- if (final_size > inode->i_size) {
+ if (final_size > inode->i_size || final_size > ei->i_disksize) {
/* Credits for sb + inode write */
handle = ext4_journal_start(inode, EXT4_HT_INODE, 2);
if (IS_ERR(handle)) {
goto out;
}
orphan = 1;
- ei->i_disksize = inode->i_size;
+ ext4_update_i_disksize(inode, inode->i_size);
ext4_journal_stop(handle);
}
ext4_orphan_del(handle, inode);
if (ret > 0) {
loff_t end = offset + ret;
- if (end > inode->i_size) {
- ei->i_disksize = end;
- i_size_write(inode, end);
+ if (end > inode->i_size || end > ei->i_disksize) {
+ ext4_update_i_disksize(inode, end);
+ if (end > inode->i_size)
+ i_size_write(inode, end);
/*
* We're going to return a positive `ret'
* here due to non-zero-length I/O, so there's
}
/* Wait all existing dio workers, newcomers will block on i_mutex */
- ext4_inode_block_unlocked_dio(inode);
inode_dio_wait(inode);
/*
ext4_journal_stop(handle);
out_dio:
up_write(&EXT4_I(inode)->i_mmap_sem);
- ext4_inode_resume_unlocked_dio(inode);
out_mutex:
inode_unlock(inode);
return ret;
goto bad_inode;
raw_inode = ext4_raw_inode(&iloc);
+ if ((ino == EXT4_ROOT_INO) && (raw_inode->i_links_count == 0)) {
+ EXT4_ERROR_INODE(inode, "root inode unallocated");
+ ret = -EFSCORRUPTED;
+ goto bad_inode;
+ }
+
if (EXT4_INODE_SIZE(inode->i_sb) > EXT4_GOOD_OLD_INODE_SIZE) {
ei->i_extra_isize = le16_to_cpu(raw_inode->i_extra_isize);
if (EXT4_GOOD_OLD_INODE_SIZE + ei->i_extra_isize >
if ((inode->i_ino != ino) ||
(inode->i_state & (I_FREEING | I_WILL_FREE | I_NEW |
- I_DIRTY_SYNC | I_DIRTY_DATASYNC)) ||
+ I_DIRTY_INODE)) ||
((inode->i_state & I_DIRTY_TIME) == 0))
return 0;
spin_lock(&inode->i_lock);
if (((inode->i_state & (I_FREEING | I_WILL_FREE | I_NEW |
- I_DIRTY_SYNC | I_DIRTY_DATASYNC)) == 0) &&
+ I_DIRTY_INODE)) == 0) &&
(inode->i_state & I_DIRTY_TIME)) {
struct ext4_inode_info *ei = EXT4_I(inode);
*/
if (orphan) {
if (!ext4_should_journal_data(inode)) {
- ext4_inode_block_unlocked_dio(inode);
inode_dio_wait(inode);
- ext4_inode_resume_unlocked_dio(inode);
} else
ext4_wait_for_tail_page_commit(inode);
}
return -EROFS;
/* Wait for all existing dio workers */
- ext4_inode_block_unlocked_dio(inode);
inode_dio_wait(inode);
/*
err = filemap_write_and_wait(inode->i_mapping);
if (err < 0) {
up_write(&EXT4_I(inode)->i_mmap_sem);
- ext4_inode_resume_unlocked_dio(inode);
return err;
}
}
if (err < 0) {
jbd2_journal_unlock_updates(journal);
percpu_up_write(&sbi->s_journal_flag_rwsem);
- ext4_inode_resume_unlocked_dio(inode);
return err;
}
ext4_clear_inode_flag(inode, EXT4_INODE_JOURNAL_DATA);
if (val)
up_write(&EXT4_I(inode)->i_mmap_sem);
- ext4_inode_resume_unlocked_dio(inode);
/* Finally we can mark the inode as dirty. */
extern int user_path_mountpoint_at(int, const char __user *, unsigned int, struct path *);
extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
const char *, unsigned int, struct path *);
+long do_mknodat(int dfd, const char __user *filename, umode_t mode,
+ unsigned int dev);
+long do_mkdirat(int dfd, const char __user *pathname, umode_t mode);
+long do_rmdir(int dfd, const char __user *pathname);
long do_unlinkat(int dfd, struct filename *name);
+long do_symlinkat(const char __user *oldname, int newdfd,
+ const char __user *newname);
+int do_linkat(int olddfd, const char __user *oldname, int newdfd,
+ const char __user *newname, int flags);
/*
* namespace.c
extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
const char *, const struct open_flags *);
- extern int open_check_o_direct(struct file *f);
+long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
+long do_faccessat(int dfd, const char __user *filename, int mode);
+int do_fchmodat(int dfd, const char __user *filename, umode_t mode);
+int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,
+ int flag);
+
extern int vfs_open(const struct path *, struct file *, const struct cred *);
extern struct file *filp_clone_open(struct file *);
#include <linux/bitops.h>
#include <linux/init_task.h>
#include <linux/uaccess.h>
+ #include <linux/build_bug.h>
#include "internal.h"
#include "mount.h"
struct filename *result;
char *kname;
int len;
+ BUILD_BUG_ON(offsetof(struct filename, iname) % sizeof(long) != 0);
result = audit_reusename(filename);
if (result)
static bool path_connected(const struct path *path)
{
struct vfsmount *mnt = path->mnt;
+ struct super_block *sb = mnt->mnt_sb;
- /* Only bind mounts can have disconnected paths */
- if (mnt->mnt_root == mnt->mnt_sb->s_root)
+ /* Bind mounts and multi-root filesystems can have disconnected paths */
+ if (!(sb->s_iflags & SB_I_MULTIROOT) && (mnt->mnt_root == sb->s_root))
return true;
return is_subdir(path->dentry, mnt->mnt_root);
}
/*
- * Call i_op->lookup on the dentry. The dentry must be negative and
- * unhashed.
- *
- * dir->d_inode->i_mutex must be held
+ * Parent directory has inode locked exclusive. This is one
+ * and only case when ->lookup() gets called on non in-lookup
+ * dentries - as the matter of fact, this only gets called
+ * when directory is guaranteed to have no in-lookup children
+ * at all.
*/
-static struct dentry *lookup_real(struct inode *dir, struct dentry *dentry,
- unsigned int flags)
-{
- struct dentry *old;
-
- /* Don't create child dentry for a dead directory. */
- if (unlikely(IS_DEADDIR(dir))) {
- dput(dentry);
- return ERR_PTR(-ENOENT);
- }
-
- old = dir->i_op->lookup(dir, dentry, flags);
- if (unlikely(old)) {
- dput(dentry);
- dentry = old;
- }
- return dentry;
-}
-
static struct dentry *__lookup_hash(const struct qstr *name,
struct dentry *base, unsigned int flags)
{
struct dentry *dentry = lookup_dcache(name, base, flags);
+ struct dentry *old;
+ struct inode *dir = base->d_inode;
if (dentry)
return dentry;
+ /* Don't create child dentry for a dead directory. */
+ if (unlikely(IS_DEADDIR(dir)))
+ return ERR_PTR(-ENOENT);
+
dentry = d_alloc(base, name);
if (unlikely(!dentry))
return ERR_PTR(-ENOMEM);
- return lookup_real(base->d_inode, dentry, flags);
+ old = dir->i_op->lookup(dir, dentry, flags);
+ if (unlikely(old)) {
+ dput(dentry);
+ dentry = old;
+ }
+ return dentry;
}
static int lookup_fast(struct nameidata *nd,
goto out;
*opened |= FILE_OPENED;
opened:
- error = open_check_o_direct(file);
- if (!error)
- error = ima_file_check(file, op->acc_mode, *opened);
+ error = ima_file_check(file, op->acc_mode, *opened);
if (!error && will_truncate)
error = handle_truncate(file);
out:
error = finish_open(file, child, NULL, opened);
if (error)
goto out2;
- error = open_check_o_direct(file);
- if (error)
- fput(file);
out2:
mnt_drop_write(path.mnt);
out:
}
}
-SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
- unsigned, dev)
+long do_mknodat(int dfd, const char __user *filename, umode_t mode,
+ unsigned int dev)
{
struct dentry *dentry;
struct path path;
return error;
}
+SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
+ unsigned int, dev)
+{
+ return do_mknodat(dfd, filename, mode, dev);
+}
+
SYSCALL_DEFINE3(mknod, const char __user *, filename, umode_t, mode, unsigned, dev)
{
- return sys_mknodat(AT_FDCWD, filename, mode, dev);
+ return do_mknodat(AT_FDCWD, filename, mode, dev);
}
int vfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
}
EXPORT_SYMBOL(vfs_mkdir);
-SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)
+long do_mkdirat(int dfd, const char __user *pathname, umode_t mode)
{
struct dentry *dentry;
struct path path;
return error;
}
+SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)
+{
+ return do_mkdirat(dfd, pathname, mode);
+}
+
SYSCALL_DEFINE2(mkdir, const char __user *, pathname, umode_t, mode)
{
- return sys_mkdirat(AT_FDCWD, pathname, mode);
+ return do_mkdirat(AT_FDCWD, pathname, mode);
}
int vfs_rmdir(struct inode *dir, struct dentry *dentry)
}
EXPORT_SYMBOL(vfs_rmdir);
-static long do_rmdir(int dfd, const char __user *pathname)
+long do_rmdir(int dfd, const char __user *pathname)
{
int error = 0;
struct filename *name;
}
EXPORT_SYMBOL(vfs_symlink);
-SYSCALL_DEFINE3(symlinkat, const char __user *, oldname,
- int, newdfd, const char __user *, newname)
+long do_symlinkat(const char __user *oldname, int newdfd,
+ const char __user *newname)
{
int error;
struct filename *from;
return error;
}
+SYSCALL_DEFINE3(symlinkat, const char __user *, oldname,
+ int, newdfd, const char __user *, newname)
+{
+ return do_symlinkat(oldname, newdfd, newname);
+}
+
SYSCALL_DEFINE2(symlink, const char __user *, oldname, const char __user *, newname)
{
- return sys_symlinkat(oldname, AT_FDCWD, newname);
+ return do_symlinkat(oldname, AT_FDCWD, newname);
}
/**
* with linux 2.0, and to avoid hard-linking to directories
* and other special files. --ADM
*/
-SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
- int, newdfd, const char __user *, newname, int, flags)
+int do_linkat(int olddfd, const char __user *oldname, int newdfd,
+ const char __user *newname, int flags)
{
struct dentry *new_dentry;
struct path old_path, new_path;
return error;
}
+SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
+ int, newdfd, const char __user *, newname, int, flags)
+{
+ return do_linkat(olddfd, oldname, newdfd, newname, flags);
+}
+
SYSCALL_DEFINE2(link, const char __user *, oldname, const char __user *, newname)
{
- return sys_linkat(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
+ return do_linkat(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
}
/**
}
EXPORT_SYMBOL(vfs_rename);
-SYSCALL_DEFINE5(renameat2, int, olddfd, const char __user *, oldname,
- int, newdfd, const char __user *, newname, unsigned int, flags)
+static int do_renameat2(int olddfd, const char __user *oldname, int newdfd,
+ const char __user *newname, unsigned int flags)
{
struct dentry *old_dentry, *new_dentry;
struct dentry *trap;
return error;
}
+SYSCALL_DEFINE5(renameat2, int, olddfd, const char __user *, oldname,
+ int, newdfd, const char __user *, newname, unsigned int, flags)
+{
+ return do_renameat2(olddfd, oldname, newdfd, newname, flags);
+}
+
SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
int, newdfd, const char __user *, newname)
{
- return sys_renameat2(olddfd, oldname, newdfd, newname, 0);
+ return do_renameat2(olddfd, oldname, newdfd, newname, 0);
}
SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newname)
{
- return sys_renameat2(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
+ return do_renameat2(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
}
int vfs_whiteout(struct inode *dir, struct dentry *dentry)
}
EXPORT_SYMBOL_GPL(vfs_truncate);
-static long do_sys_truncate(const char __user *pathname, loff_t length)
+long do_sys_truncate(const char __user *pathname, loff_t length)
{
unsigned int lookup_flags = LOOKUP_FOLLOW;
struct path path;
}
#endif
-static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
+long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
{
struct inode *inode;
struct dentry *dentry;
}
EXPORT_SYMBOL_GPL(vfs_fallocate);
-SYSCALL_DEFINE4(fallocate, int, fd, int, mode, loff_t, offset, loff_t, len)
+int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len)
{
struct fd f = fdget(fd);
int error = -EBADF;
return error;
}
+SYSCALL_DEFINE4(fallocate, int, fd, int, mode, loff_t, offset, loff_t, len)
+{
+ return ksys_fallocate(fd, mode, offset, len);
+}
+
/*
* access() needs to use the real uid/gid, not the effective uid/gid.
* We do this by temporarily clearing all FS-related capabilities and
* switching the fsuid/fsgid around to the real ones.
*/
-SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
+long do_faccessat(int dfd, const char __user *filename, int mode)
{
const struct cred *old_cred;
struct cred *override_cred;
return res;
}
+SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
+{
+ return do_faccessat(dfd, filename, mode);
+}
+
SYSCALL_DEFINE2(access, const char __user *, filename, int, mode)
{
- return sys_faccessat(AT_FDCWD, filename, mode);
+ return do_faccessat(AT_FDCWD, filename, mode);
}
-SYSCALL_DEFINE1(chdir, const char __user *, filename)
+int ksys_chdir(const char __user *filename)
{
struct path path;
int error;
return error;
}
+SYSCALL_DEFINE1(chdir, const char __user *, filename)
+{
+ return ksys_chdir(filename);
+}
+
SYSCALL_DEFINE1(fchdir, unsigned int, fd)
{
struct fd f = fdget_raw(fd);
return error;
}
-SYSCALL_DEFINE1(chroot, const char __user *, filename)
+int ksys_chroot(const char __user *filename)
{
struct path path;
int error;
return error;
}
+SYSCALL_DEFINE1(chroot, const char __user *, filename)
+{
+ return ksys_chroot(filename);
+}
+
static int chmod_common(const struct path *path, umode_t mode)
{
struct inode *inode = path->dentry->d_inode;
return error;
}
-SYSCALL_DEFINE2(fchmod, unsigned int, fd, umode_t, mode)
+int ksys_fchmod(unsigned int fd, umode_t mode)
{
struct fd f = fdget(fd);
int err = -EBADF;
return err;
}
-SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, umode_t, mode)
+SYSCALL_DEFINE2(fchmod, unsigned int, fd, umode_t, mode)
+{
+ return ksys_fchmod(fd, mode);
+}
+
+int do_fchmodat(int dfd, const char __user *filename, umode_t mode)
{
struct path path;
int error;
return error;
}
+SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename,
+ umode_t, mode)
+{
+ return do_fchmodat(dfd, filename, mode);
+}
+
SYSCALL_DEFINE2(chmod, const char __user *, filename, umode_t, mode)
{
- return sys_fchmodat(AT_FDCWD, filename, mode);
+ return do_fchmodat(AT_FDCWD, filename, mode);
}
static int chown_common(const struct path *path, uid_t user, gid_t group)
return error;
}
-SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
- gid_t, group, int, flag)
+int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,
+ int flag)
{
struct path path;
int error = -EINVAL;
return error;
}
+SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
+ gid_t, group, int, flag)
+{
+ return do_fchownat(dfd, filename, user, group, flag);
+}
+
SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group)
{
- return sys_fchownat(AT_FDCWD, filename, user, group, 0);
+ return do_fchownat(AT_FDCWD, filename, user, group, 0);
}
SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group)
{
- return sys_fchownat(AT_FDCWD, filename, user, group,
- AT_SYMLINK_NOFOLLOW);
+ return do_fchownat(AT_FDCWD, filename, user, group,
+ AT_SYMLINK_NOFOLLOW);
}
-SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
+int ksys_fchown(unsigned int fd, uid_t user, gid_t group)
{
struct fd f = fdget(fd);
int error = -EBADF;
return error;
}
- int open_check_o_direct(struct file *f)
- {
- /* NB: we're sure to have correct a_ops only after f_op->open */
- if (f->f_flags & O_DIRECT) {
- if (!f->f_mapping->a_ops || !f->f_mapping->a_ops->direct_IO)
- return -EINVAL;
- }
- return 0;
- }
-
+SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
+{
+ return ksys_fchown(fd, user, group);
+}
+
static int do_dentry_open(struct file *f,
struct inode *inode,
int (*open)(struct inode *, struct file *),
if (unlikely(f->f_flags & O_PATH)) {
f->f_mode = FMODE_PATH;
f->f_op = &empty_fops;
- return 0;
+ goto done;
}
if (f->f_mode & FMODE_WRITE && !special_file(inode->i_mode)) {
f->f_flags &= ~(O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC);
file_ra_state_init(&f->f_ra, f->f_mapping->host->i_mapping);
-
+ done:
+ /* NB: we're sure to have correct a_ops only after f_op->open */
+ error = -EINVAL;
+ if ((f->f_flags & O_DIRECT) &&
+ (!f->f_mapping->a_ops || !f->f_mapping->a_ops->direct_IO))
+ goto out_fput;
return 0;
cleanup_all:
f->f_path.dentry = NULL;
f->f_inode = NULL;
return error;
+ out_fput:
+ fput(f);
+ return error;
}
/**
BUG_ON(!path->mnt);
f = get_empty_filp();
- if (!IS_ERR(f)) {
- f->f_flags = flags;
- error = vfs_open(path, f, cred);
- if (!error) {
- /* from now on we need fput() to dispose of f */
- error = open_check_o_direct(f);
- if (error) {
- fput(f);
- f = ERR_PTR(error);
- }
- } else {
- put_filp(f);
- f = ERR_PTR(error);
- }
+ if (IS_ERR(f))
+ return f;
+
+ f->f_flags = flags;
+ error = vfs_open(path, f, cred);
+ if (error) {
+ put_filp(f);
+ return ERR_PTR(error);
}
return f;
}
*/
SYSCALL_DEFINE2(creat, const char __user *, pathname, umode_t, mode)
{
- return sys_open(pathname, O_CREAT | O_WRONLY | O_TRUNC, mode);
+ return ksys_open(pathname, O_CREAT | O_WRONLY | O_TRUNC, mode);
}
#endif
return retval;
}
-EXPORT_SYMBOL(sys_close);
/*
* This routine simulates a hangup on the tty, to arrange that users
struct xfs_trans *tp;
int error;
- error = xfs_trans_alloc(mp, &M_RES(mp)->tr_fsyncts, 0, 0, 0, &tp);
+ error = xfs_trans_alloc(mp, &M_RES(mp)->tr_fsyncts, 0, 0,
+ XFS_TRANS_NOFS, &tp);
if (error)
return error;
end_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + size);
offset_fsb = XFS_B_TO_FSBT(mp, offset);
- error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb,
- &imap, &nimaps, XFS_BMAPI_ENTIRE);
+ error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap,
+ &nimaps, 0);
if (error)
goto out_unlock;
-
- if (nimaps) {
- trace_xfs_get_blocks_found(ip, offset, size,
- imap.br_state == XFS_EXT_UNWRITTEN ?
- XFS_IO_UNWRITTEN : XFS_IO_OVERWRITE, &imap);
- xfs_iunlock(ip, lockmode);
- } else {
+ if (!nimaps) {
trace_xfs_get_blocks_notfound(ip, offset, size);
goto out_unlock;
}
+ trace_xfs_get_blocks_found(ip, offset, size,
+ imap.br_state == XFS_EXT_UNWRITTEN ?
+ XFS_IO_UNWRITTEN : XFS_IO_OVERWRITE, &imap);
+ xfs_iunlock(ip, lockmode);
+
/* trim mapping down to size requested */
xfs_map_trim_size(inode, iblock, bh_result, &imap, offset, size);
/*
* The swap code (ab-)uses ->bmap to get a block mapping and then
- * bypasseѕ the file system for actual I/O. We really can't allow
+ * bypasses the file system for actual I/O. We really can't allow
* that on reflinks inodes, so we have to skip out here. And yes,
* 0 is the magic code for a bmap error.
*
#define SB_I_CGROUPWB 0x00000001 /* cgroup-aware writeback enabled */
#define SB_I_NOEXEC 0x00000002 /* Ignore executables on this fs */
#define SB_I_NODEV 0x00000004 /* Ignore devices on this fs */
+#define SB_I_MULTIROOT 0x00000008 /* Multiple roots to the dentry tree */
/* sb->s_iflags to limit user namespace mounts */
#define SB_I_USERNS_VISIBLE 0x00000010 /* fstype already mounted */
#define I_WB_SWITCH (1 << 13)
#define I_OVL_INUSE (1 << 14)
- #define I_DIRTY (I_DIRTY_SYNC | I_DIRTY_DATASYNC | I_DIRTY_PAGES)
+ #define I_DIRTY_INODE (I_DIRTY_SYNC | I_DIRTY_DATASYNC)
+ #define I_DIRTY (I_DIRTY_INODE | I_DIRTY_PAGES)
#define I_DIRTY_ALL (I_DIRTY | I_DIRTY_TIME)
extern void __mark_inode_dirty(struct inode *, int);
struct filename {
const char *name; /* pointer to actual string */
const __user char *uptr; /* original userland pointer */
- struct audit_names *aname;
int refcnt;
+ struct audit_names *aname;
const char iname[];
};
/* filesystem does not support filling holes */
DIO_SKIP_HOLES = 0x02,
-
- /* filesystem can handle aio writes beyond i_size */
- DIO_ASYNC_EXTEND = 0x04,
-
- /* inode/fs/bdev does not need truncate protection */
- DIO_SKIP_DIO_COUNT = 0x08,
};
void dio_end_io(struct bio *bio);
if (!vma_is_dax(vma))
return false;
inode = file_inode(vma->vm_file);
- if (inode->i_mode == S_IFCHR)
+ if (S_ISCHR(inode->i_mode))
return false; /* device-dax */
return true;
}
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