#include "xfs_attr.h"
#include "xfs_buf_item.h"
#include "xfs_utils.h"
+#include "xfs_vnodeops.h"
#include <linux/capability.h>
#include <linux/xattr.h>
#include <linux/namei.h>
#include <linux/security.h>
+#include <linux/falloc.h>
/*
- * Get a XFS inode from a given vnode.
+ * Bring the atime in the XFS inode uptodate.
+ * Used before logging the inode to disk or when the Linux inode goes away.
*/
-xfs_inode_t *
-xfs_vtoi(
- bhv_vnode_t *vp)
+void
+xfs_synchronize_atime(
+ xfs_inode_t *ip)
{
- bhv_desc_t *bdp;
+ bhv_vnode_t *vp;
- bdp = bhv_lookup_range(VN_BHV_HEAD(vp),
- VNODE_POSITION_XFS, VNODE_POSITION_XFS);
- if (unlikely(bdp == NULL))
- return NULL;
- return XFS_BHVTOI(bdp);
+ vp = XFS_ITOV_NULL(ip);
+ if (vp) {
+ ip->i_d.di_atime.t_sec = (__int32_t)vp->i_atime.tv_sec;
+ ip->i_d.di_atime.t_nsec = (__int32_t)vp->i_atime.tv_nsec;
+ }
}
/*
- * Bring the atime in the XFS inode uptodate.
- * Used before logging the inode to disk or when the Linux inode goes away.
+ * If the linux inode exists, mark it dirty.
+ * Used when commiting a dirty inode into a transaction so that
+ * the inode will get written back by the linux code
*/
void
-xfs_synchronize_atime(
+xfs_mark_inode_dirty_sync(
xfs_inode_t *ip)
{
bhv_vnode_t *vp;
vp = XFS_ITOV_NULL(ip);
- if (vp) {
- struct inode *inode = &vp->v_inode;
- ip->i_d.di_atime.t_sec = (__int32_t)inode->i_atime.tv_sec;
- ip->i_d.di_atime.t_nsec = (__int32_t)inode->i_atime.tv_nsec;
- }
+ if (vp)
+ mark_inode_dirty_sync(vn_to_inode(vp));
}
/*
*/
SYNCHRONIZE();
ip->i_update_core = 1;
- if (!(inode->i_state & I_LOCK))
+ if (!(inode->i_state & I_NEW))
mark_inode_dirty_sync(inode);
}
*/
SYNCHRONIZE();
ip->i_update_core = 1;
- if (!(inode->i_state & I_LOCK))
+ if (!(inode->i_state & I_NEW))
mark_inode_dirty_sync(inode);
}
*/
STATIC void
xfs_validate_fields(
- struct inode *ip,
- bhv_vattr_t *vattr)
+ struct inode *inode)
{
- vattr->va_mask = XFS_AT_NLINK|XFS_AT_SIZE|XFS_AT_NBLOCKS;
- if (!bhv_vop_getattr(vn_from_inode(ip), vattr, ATTR_LAZY, NULL)) {
- ip->i_nlink = vattr->va_nlink;
- ip->i_blocks = vattr->va_nblocks;
-
- /* we're under i_sem so i_size can't change under us */
- if (i_size_read(ip) != vattr->va_size)
- i_size_write(ip, vattr->va_size);
- }
+ struct xfs_inode *ip = XFS_I(inode);
+ loff_t size;
+
+ /* we're under i_sem so i_size can't change under us */
+ size = XFS_ISIZE(ip);
+ if (i_size_read(inode) != size)
+ i_size_write(inode, size);
}
/*
return -error;
}
- error = bhv_vop_attr_set(vp, name, value, length, ATTR_SECURE, NULL);
+ error = xfs_attr_set(XFS_I(ip), name, value,
+ length, ATTR_SECURE);
if (!error)
- VMODIFY(vp);
+ xfs_iflags_set(XFS_I(ip), XFS_IMODIFIED);
kfree(name);
kfree(value);
STATIC void
xfs_cleanup_inode(
- bhv_vnode_t *dvp,
+ struct inode *dir,
bhv_vnode_t *vp,
struct dentry *dentry,
int mode)
teardown.d_name = dentry->d_name;
if (S_ISDIR(mode))
- bhv_vop_rmdir(dvp, &teardown, NULL);
+ xfs_rmdir(XFS_I(dir), &teardown);
else
- bhv_vop_remove(dvp, &teardown, NULL);
+ xfs_remove(XFS_I(dir), &teardown);
VN_RELE(vp);
}
dev_t rdev)
{
struct inode *ip;
- bhv_vattr_t vattr = { 0 };
bhv_vnode_t *vp = NULL, *dvp = vn_from_inode(dir);
xfs_acl_t *default_acl = NULL;
attrexists_t test_default_acl = _ACL_DEFAULT_EXISTS;
if (IS_POSIXACL(dir) && !default_acl && xfs_has_fs_struct(current))
mode &= ~current->fs->umask;
- vattr.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
- vattr.va_mode = mode;
-
switch (mode & S_IFMT) {
case S_IFCHR: case S_IFBLK: case S_IFIFO: case S_IFSOCK:
- vattr.va_rdev = sysv_encode_dev(rdev);
- vattr.va_mask |= XFS_AT_RDEV;
- /*FALLTHROUGH*/
+ rdev = sysv_encode_dev(rdev);
case S_IFREG:
- error = bhv_vop_create(dvp, dentry, &vattr, &vp, NULL);
+ error = xfs_create(XFS_I(dir), dentry, mode, rdev, &vp, NULL);
break;
case S_IFDIR:
- error = bhv_vop_mkdir(dvp, dentry, &vattr, &vp, NULL);
+ error = xfs_mkdir(XFS_I(dir), dentry, mode, &vp, NULL);
break;
default:
error = EINVAL;
if (unlikely(!error)) {
error = xfs_init_security(vp, dir);
if (error)
- xfs_cleanup_inode(dvp, vp, dentry, mode);
+ xfs_cleanup_inode(dir, vp, dentry, mode);
}
if (unlikely(default_acl)) {
if (!error) {
- error = _ACL_INHERIT(vp, &vattr, default_acl);
+ error = _ACL_INHERIT(vp, mode, default_acl);
if (!error)
- VMODIFY(vp);
+ xfs_iflags_set(XFS_I(vp), XFS_IMODIFIED);
else
- xfs_cleanup_inode(dvp, vp, dentry, mode);
+ xfs_cleanup_inode(dir, vp, dentry, mode);
}
_ACL_FREE(default_acl);
}
ASSERT(vp);
ip = vn_to_inode(vp);
- if (S_ISCHR(mode) || S_ISBLK(mode))
- ip->i_rdev = rdev;
- else if (S_ISDIR(mode))
- xfs_validate_fields(ip, &vattr);
+ if (S_ISDIR(mode))
+ xfs_validate_fields(ip);
d_instantiate(dentry, ip);
- xfs_validate_fields(dir, &vattr);
+ xfs_validate_fields(dir);
}
return -error;
}
struct dentry *dentry,
struct nameidata *nd)
{
- bhv_vnode_t *vp = vn_from_inode(dir), *cvp;
+ bhv_vnode_t *cvp;
int error;
if (dentry->d_name.len >= MAXNAMELEN)
return ERR_PTR(-ENAMETOOLONG);
- error = bhv_vop_lookup(vp, dentry, &cvp, 0, NULL, NULL);
+ error = xfs_lookup(XFS_I(dir), dentry, &cvp);
if (unlikely(error)) {
if (unlikely(error != ENOENT))
return ERR_PTR(-error);
struct dentry *dentry)
{
struct inode *ip; /* inode of guy being linked to */
- bhv_vnode_t *tdvp; /* target directory for new name/link */
bhv_vnode_t *vp; /* vp of name being linked */
- bhv_vattr_t vattr;
int error;
ip = old_dentry->d_inode; /* inode being linked to */
- tdvp = vn_from_inode(dir);
vp = vn_from_inode(ip);
VN_HOLD(vp);
- error = bhv_vop_link(tdvp, vp, dentry, NULL);
+ error = xfs_link(XFS_I(dir), vp, dentry);
if (unlikely(error)) {
VN_RELE(vp);
} else {
- VMODIFY(tdvp);
- xfs_validate_fields(ip, &vattr);
+ xfs_iflags_set(XFS_I(dir), XFS_IMODIFIED);
+ xfs_validate_fields(ip);
d_instantiate(dentry, ip);
}
return -error;
struct dentry *dentry)
{
struct inode *inode;
- bhv_vnode_t *dvp; /* directory containing name to remove */
- bhv_vattr_t vattr;
int error;
inode = dentry->d_inode;
- dvp = vn_from_inode(dir);
- error = bhv_vop_remove(dvp, dentry, NULL);
+ error = xfs_remove(XFS_I(dir), dentry);
if (likely(!error)) {
- xfs_validate_fields(dir, &vattr); /* size needs update */
- xfs_validate_fields(inode, &vattr);
+ xfs_validate_fields(dir); /* size needs update */
+ xfs_validate_fields(inode);
}
return -error;
}
const char *symname)
{
struct inode *ip;
- bhv_vattr_t va = { 0 };
- bhv_vnode_t *dvp; /* directory containing name of symlink */
bhv_vnode_t *cvp; /* used to lookup symlink to put in dentry */
int error;
+ mode_t mode;
- dvp = vn_from_inode(dir);
cvp = NULL;
- va.va_mode = S_IFLNK |
+ mode = S_IFLNK |
(irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO);
- va.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
- error = bhv_vop_symlink(dvp, dentry, &va, (char *)symname, &cvp, NULL);
+ error = xfs_symlink(XFS_I(dir), dentry, (char *)symname, mode,
+ &cvp, NULL);
if (likely(!error && cvp)) {
error = xfs_init_security(cvp, dir);
if (likely(!error)) {
ip = vn_to_inode(cvp);
d_instantiate(dentry, ip);
- xfs_validate_fields(dir, &va);
- xfs_validate_fields(ip, &va);
+ xfs_validate_fields(dir);
+ xfs_validate_fields(ip);
} else {
- xfs_cleanup_inode(dvp, cvp, dentry, 0);
+ xfs_cleanup_inode(dir, cvp, dentry, 0);
}
}
return -error;
struct dentry *dentry)
{
struct inode *inode = dentry->d_inode;
- bhv_vnode_t *dvp = vn_from_inode(dir);
- bhv_vattr_t vattr;
int error;
- error = bhv_vop_rmdir(dvp, dentry, NULL);
+ error = xfs_rmdir(XFS_I(dir), dentry);
if (likely(!error)) {
- xfs_validate_fields(inode, &vattr);
- xfs_validate_fields(dir, &vattr);
+ xfs_validate_fields(inode);
+ xfs_validate_fields(dir);
}
return -error;
}
struct dentry *ndentry)
{
struct inode *new_inode = ndentry->d_inode;
- bhv_vnode_t *fvp; /* from directory */
bhv_vnode_t *tvp; /* target directory */
- bhv_vattr_t vattr;
int error;
- fvp = vn_from_inode(odir);
tvp = vn_from_inode(ndir);
- error = bhv_vop_rename(fvp, odentry, tvp, ndentry, NULL);
+ error = xfs_rename(XFS_I(odir), odentry, tvp, ndentry);
if (likely(!error)) {
if (new_inode)
- xfs_validate_fields(new_inode, &vattr);
- xfs_validate_fields(odir, &vattr);
+ xfs_validate_fields(new_inode);
+ xfs_validate_fields(odir);
if (ndir != odir)
- xfs_validate_fields(ndir, &vattr);
+ xfs_validate_fields(ndir);
}
return -error;
}
struct dentry *dentry,
struct nameidata *nd)
{
- bhv_vnode_t *vp;
- uio_t *uio;
- iovec_t iov;
- int error;
char *link;
-
- ASSERT(dentry);
- ASSERT(nd);
+ int error = -ENOMEM;
link = kmalloc(MAXPATHLEN+1, GFP_KERNEL);
- if (!link) {
- nd_set_link(nd, ERR_PTR(-ENOMEM));
- return NULL;
- }
+ if (!link)
+ goto out_err;
- uio = kmalloc(sizeof(uio_t), GFP_KERNEL);
- if (!uio) {
- kfree(link);
- nd_set_link(nd, ERR_PTR(-ENOMEM));
- return NULL;
- }
-
- vp = vn_from_inode(dentry->d_inode);
-
- iov.iov_base = link;
- iov.iov_len = MAXPATHLEN;
-
- uio->uio_iov = &iov;
- uio->uio_offset = 0;
- uio->uio_segflg = UIO_SYSSPACE;
- uio->uio_resid = MAXPATHLEN;
- uio->uio_iovcnt = 1;
-
- error = bhv_vop_readlink(vp, uio, 0, NULL);
- if (unlikely(error)) {
- kfree(link);
- link = ERR_PTR(-error);
- } else {
- link[MAXPATHLEN - uio->uio_resid] = '\0';
- }
- kfree(uio);
+ error = -xfs_readlink(XFS_I(dentry->d_inode), link);
+ if (unlikely(error))
+ goto out_kfree;
nd_set_link(nd, link);
return NULL;
+
+ out_kfree:
+ kfree(link);
+ out_err:
+ nd_set_link(nd, ERR_PTR(error));
+ return NULL;
}
STATIC void
}
#ifdef CONFIG_XFS_POSIX_ACL
+STATIC int
+xfs_check_acl(
+ struct inode *inode,
+ int mask)
+{
+ struct xfs_inode *ip = XFS_I(inode);
+ int error;
+
+ xfs_itrace_entry(ip);
+
+ if (XFS_IFORK_Q(ip)) {
+ error = xfs_acl_iaccess(ip, mask, NULL);
+ if (error != -1)
+ return -error;
+ }
+
+ return -EAGAIN;
+}
+
STATIC int
xfs_vn_permission(
- struct inode *inode,
- int mode,
- struct nameidata *nd)
+ struct inode *inode,
+ int mask,
+ struct nameidata *nd)
{
- return -bhv_vop_access(vn_from_inode(inode), mode << 6, NULL);
+ return generic_permission(inode, mask, xfs_check_acl);
}
#else
#define xfs_vn_permission NULL
STATIC int
xfs_vn_getattr(
- struct vfsmount *mnt,
- struct dentry *dentry,
- struct kstat *stat)
+ struct vfsmount *mnt,
+ struct dentry *dentry,
+ struct kstat *stat)
{
- struct inode *inode = dentry->d_inode;
- bhv_vnode_t *vp = vn_from_inode(inode);
- bhv_vattr_t vattr = { .va_mask = XFS_AT_STAT };
- int error;
-
- error = bhv_vop_getattr(vp, &vattr, ATTR_LAZY, NULL);
- if (likely(!error)) {
- stat->size = i_size_read(inode);
- stat->dev = inode->i_sb->s_dev;
- stat->rdev = (vattr.va_rdev == 0) ? 0 :
- MKDEV(sysv_major(vattr.va_rdev) & 0x1ff,
- sysv_minor(vattr.va_rdev));
- stat->mode = vattr.va_mode;
- stat->nlink = vattr.va_nlink;
- stat->uid = vattr.va_uid;
- stat->gid = vattr.va_gid;
- stat->ino = vattr.va_nodeid;
- stat->atime = vattr.va_atime;
- stat->mtime = vattr.va_mtime;
- stat->ctime = vattr.va_ctime;
- stat->blocks = vattr.va_nblocks;
- stat->blksize = vattr.va_blocksize;
+ struct inode *inode = dentry->d_inode;
+ struct xfs_inode *ip = XFS_I(inode);
+ struct xfs_mount *mp = ip->i_mount;
+
+ xfs_itrace_entry(ip);
+
+ if (XFS_FORCED_SHUTDOWN(mp))
+ return XFS_ERROR(EIO);
+
+ stat->size = XFS_ISIZE(ip);
+ stat->dev = inode->i_sb->s_dev;
+ stat->mode = ip->i_d.di_mode;
+ stat->nlink = ip->i_d.di_nlink;
+ stat->uid = ip->i_d.di_uid;
+ stat->gid = ip->i_d.di_gid;
+ stat->ino = ip->i_ino;
+#if XFS_BIG_INUMS
+ stat->ino += mp->m_inoadd;
+#endif
+ stat->atime = inode->i_atime;
+ stat->mtime.tv_sec = ip->i_d.di_mtime.t_sec;
+ stat->mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
+ stat->ctime.tv_sec = ip->i_d.di_ctime.t_sec;
+ stat->ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
+ stat->blocks =
+ XFS_FSB_TO_BB(mp, ip->i_d.di_nblocks + ip->i_delayed_blks);
+
+
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFBLK:
+ case S_IFCHR:
+ stat->blksize = BLKDEV_IOSIZE;
+ stat->rdev = MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
+ sysv_minor(ip->i_df.if_u2.if_rdev));
+ break;
+ default:
+ if (XFS_IS_REALTIME_INODE(ip)) {
+ /*
+ * If the file blocks are being allocated from a
+ * realtime volume, then return the inode's realtime
+ * extent size or the realtime volume's extent size.
+ */
+ stat->blksize =
+ xfs_get_extsz_hint(ip) << mp->m_sb.sb_blocklog;
+ } else
+ stat->blksize = xfs_preferred_iosize(mp);
+ stat->rdev = 0;
+ break;
}
- return -error;
+
+ return 0;
}
STATIC int
{
struct inode *inode = dentry->d_inode;
unsigned int ia_valid = attr->ia_valid;
- bhv_vnode_t *vp = vn_from_inode(inode);
bhv_vattr_t vattr = { 0 };
int flags = 0;
int error;
flags |= ATTR_NONBLOCK;
#endif
- error = bhv_vop_setattr(vp, &vattr, flags, NULL);
+ error = xfs_setattr(XFS_I(inode), &vattr, flags, NULL);
if (likely(!error))
- __vn_revalidate(vp, &vattr);
+ vn_revalidate(vn_from_inode(inode));
return -error;
}
return namesp->attr_remove(vp, attr, xflags);
}
+STATIC long
+xfs_vn_fallocate(
+ struct inode *inode,
+ int mode,
+ loff_t offset,
+ loff_t len)
+{
+ long error;
+ loff_t new_size = 0;
+ xfs_flock64_t bf;
+ xfs_inode_t *ip = XFS_I(inode);
+
+ /* preallocation on directories not yet supported */
+ error = -ENODEV;
+ if (S_ISDIR(inode->i_mode))
+ goto out_error;
+
+ bf.l_whence = 0;
+ bf.l_start = offset;
+ bf.l_len = len;
+
+ xfs_ilock(ip, XFS_IOLOCK_EXCL);
+ error = xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
+ 0, NULL, ATTR_NOLOCK);
+ if (!error && !(mode & FALLOC_FL_KEEP_SIZE) &&
+ offset + len > i_size_read(inode))
+ new_size = offset + len;
+
+ /* Change file size if needed */
+ if (new_size) {
+ bhv_vattr_t va;
+
+ va.va_mask = XFS_AT_SIZE;
+ va.va_size = new_size;
+ error = xfs_setattr(ip, &va, ATTR_NOLOCK, NULL);
+ }
+
+ xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+out_error:
+ return error;
+}
const struct inode_operations xfs_inode_operations = {
.permission = xfs_vn_permission,
.getxattr = xfs_vn_getxattr,
.listxattr = xfs_vn_listxattr,
.removexattr = xfs_vn_removexattr,
+ .fallocate = xfs_vn_fallocate,
};
const struct inode_operations xfs_dir_inode_operations = {
projects / linux-2.6-omap-h63xx.git / blobdiff