* Copyright (c) 2000-2006 Silicon Graphics, Inc.
* All Rights Reserved.
*/
+#include <linux/iversion.h>
#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_shared.h"
#include "xfs_mount.h"
#include "xfs_inode.h"
#include "xfs_inode_util.h"
+#include "xfs_trans.h"
+#include "xfs_ialloc.h"
+#include "xfs_health.h"
+#include "xfs_bmap.h"
uint16_t
xfs_flags2diflags(
/* Assign to the root project by default. */
return 0;
}
+
+/* Propagate di_flags from a parent inode to a child inode. */
+static inline void
+xfs_inode_inherit_flags(
+ struct xfs_inode *ip,
+ const struct xfs_inode *pip)
+{
+ unsigned int di_flags = 0;
+ xfs_failaddr_t failaddr;
+ umode_t mode = VFS_I(ip)->i_mode;
+
+ if (S_ISDIR(mode)) {
+ if (pip->i_diflags & XFS_DIFLAG_RTINHERIT)
+ di_flags |= XFS_DIFLAG_RTINHERIT;
+ if (pip->i_diflags & XFS_DIFLAG_EXTSZINHERIT) {
+ di_flags |= XFS_DIFLAG_EXTSZINHERIT;
+ ip->i_extsize = pip->i_extsize;
+ }
+ if (pip->i_diflags & XFS_DIFLAG_PROJINHERIT)
+ di_flags |= XFS_DIFLAG_PROJINHERIT;
+ } else if (S_ISREG(mode)) {
+ if ((pip->i_diflags & XFS_DIFLAG_RTINHERIT) &&
+ xfs_has_realtime(ip->i_mount))
+ di_flags |= XFS_DIFLAG_REALTIME;
+ if (pip->i_diflags & XFS_DIFLAG_EXTSZINHERIT) {
+ di_flags |= XFS_DIFLAG_EXTSIZE;
+ ip->i_extsize = pip->i_extsize;
+ }
+ }
+ if ((pip->i_diflags & XFS_DIFLAG_NOATIME) &&
+ xfs_inherit_noatime)
+ di_flags |= XFS_DIFLAG_NOATIME;
+ if ((pip->i_diflags & XFS_DIFLAG_NODUMP) &&
+ xfs_inherit_nodump)
+ di_flags |= XFS_DIFLAG_NODUMP;
+ if ((pip->i_diflags & XFS_DIFLAG_SYNC) &&
+ xfs_inherit_sync)
+ di_flags |= XFS_DIFLAG_SYNC;
+ if ((pip->i_diflags & XFS_DIFLAG_NOSYMLINKS) &&
+ xfs_inherit_nosymlinks)
+ di_flags |= XFS_DIFLAG_NOSYMLINKS;
+ if ((pip->i_diflags & XFS_DIFLAG_NODEFRAG) &&
+ xfs_inherit_nodefrag)
+ di_flags |= XFS_DIFLAG_NODEFRAG;
+ if (pip->i_diflags & XFS_DIFLAG_FILESTREAM)
+ di_flags |= XFS_DIFLAG_FILESTREAM;
+
+ ip->i_diflags |= di_flags;
+
+ /*
+ * Inode verifiers on older kernels only check that the extent size
+ * hint is an integer multiple of the rt extent size on realtime files.
+ * They did not check the hint alignment on a directory with both
+ * rtinherit and extszinherit flags set. If the misaligned hint is
+ * propagated from a directory into a new realtime file, new file
+ * allocations will fail due to math errors in the rt allocator and/or
+ * trip the verifiers. Validate the hint settings in the new file so
+ * that we don't let broken hints propagate.
+ */
+ failaddr = xfs_inode_validate_extsize(ip->i_mount, ip->i_extsize,
+ VFS_I(ip)->i_mode, ip->i_diflags);
+ if (failaddr) {
+ ip->i_diflags &= ~(XFS_DIFLAG_EXTSIZE |
+ XFS_DIFLAG_EXTSZINHERIT);
+ ip->i_extsize = 0;
+ }
+}
+
+/* Propagate di_flags2 from a parent inode to a child inode. */
+static inline void
+xfs_inode_inherit_flags2(
+ struct xfs_inode *ip,
+ const struct xfs_inode *pip)
+{
+ xfs_failaddr_t failaddr;
+
+ if (pip->i_diflags2 & XFS_DIFLAG2_COWEXTSIZE) {
+ ip->i_diflags2 |= XFS_DIFLAG2_COWEXTSIZE;
+ ip->i_cowextsize = pip->i_cowextsize;
+ }
+ if (pip->i_diflags2 & XFS_DIFLAG2_DAX)
+ ip->i_diflags2 |= XFS_DIFLAG2_DAX;
+
+ /* Don't let invalid cowextsize hints propagate. */
+ failaddr = xfs_inode_validate_cowextsize(ip->i_mount, ip->i_cowextsize,
+ VFS_I(ip)->i_mode, ip->i_diflags, ip->i_diflags2);
+ if (failaddr) {
+ ip->i_diflags2 &= ~XFS_DIFLAG2_COWEXTSIZE;
+ ip->i_cowextsize = 0;
+ }
+}
+
+/* Initialise an inode's attributes. */
+void
+xfs_inode_init(
+ struct xfs_trans *tp,
+ const struct xfs_icreate_args *args,
+ struct xfs_inode *ip)
+{
+ struct xfs_inode *pip = args->pip;
+ struct inode *dir = pip ? VFS_I(pip) : NULL;
+ struct xfs_mount *mp = tp->t_mountp;
+ struct inode *inode = VFS_I(ip);
+ unsigned int flags;
+ int times = XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG |
+ XFS_ICHGTIME_ACCESS;
+
+ if (args->flags & XFS_ICREATE_TMPFILE)
+ set_nlink(inode, 0);
+ else if (S_ISDIR(args->mode))
+ set_nlink(inode, 2);
+ else
+ set_nlink(inode, 1);
+ inode->i_rdev = args->rdev;
+
+ if (!args->idmap || pip == NULL) {
+ /* creating a tree root, sb rooted, or detached file */
+ inode->i_uid = GLOBAL_ROOT_UID;
+ inode->i_gid = GLOBAL_ROOT_GID;
+ ip->i_projid = 0;
+ inode->i_mode = args->mode;
+ } else {
+ /* creating a child in the directory tree */
+ if (dir && !(dir->i_mode & S_ISGID) && xfs_has_grpid(mp)) {
+ inode_fsuid_set(inode, args->idmap);
+ inode->i_gid = dir->i_gid;
+ inode->i_mode = args->mode;
+ } else {
+ inode_init_owner(args->idmap, inode, dir, args->mode);
+ }
+
+ /*
+ * If the group ID of the new file does not match the effective
+ * group ID or one of the supplementary group IDs, the S_ISGID
+ * bit is cleared (and only if the irix_sgid_inherit
+ * compatibility variable is set).
+ */
+ if (irix_sgid_inherit && (inode->i_mode & S_ISGID) &&
+ !vfsgid_in_group_p(i_gid_into_vfsgid(args->idmap, inode)))
+ inode->i_mode &= ~S_ISGID;
+
+ ip->i_projid = pip ? xfs_get_initial_prid(pip) : 0;
+ }
+
+ ip->i_disk_size = 0;
+ ip->i_df.if_nextents = 0;
+ ASSERT(ip->i_nblocks == 0);
+
+ ip->i_extsize = 0;
+ ip->i_diflags = 0;
+
+ if (xfs_has_v3inodes(mp)) {
+ inode_set_iversion(inode, 1);
+ ip->i_cowextsize = 0;
+ times |= XFS_ICHGTIME_CREATE;
+ }
+
+ xfs_trans_ichgtime(tp, ip, times);
+
+ flags = XFS_ILOG_CORE;
+ switch (args->mode & S_IFMT) {
+ case S_IFIFO:
+ case S_IFCHR:
+ case S_IFBLK:
+ case S_IFSOCK:
+ ip->i_df.if_format = XFS_DINODE_FMT_DEV;
+ flags |= XFS_ILOG_DEV;
+ break;
+ case S_IFREG:
+ case S_IFDIR:
+ if (pip && (pip->i_diflags & XFS_DIFLAG_ANY))
+ xfs_inode_inherit_flags(ip, pip);
+ if (pip && (pip->i_diflags2 & XFS_DIFLAG2_ANY))
+ xfs_inode_inherit_flags2(ip, pip);
+ fallthrough;
+ case S_IFLNK:
+ ip->i_df.if_format = XFS_DINODE_FMT_EXTENTS;
+ ip->i_df.if_bytes = 0;
+ ip->i_df.if_data = NULL;
+ break;
+ default:
+ ASSERT(0);
+ }
+
+ /*
+ * If we need to create attributes immediately after allocating the
+ * inode, initialise an empty attribute fork right now. We use the
+ * default fork offset for attributes here as we don't know exactly what
+ * size or how many attributes we might be adding. We can do this
+ * safely here because we know the data fork is completely empty and
+ * this saves us from needing to run a separate transaction to set the
+ * fork offset in the immediate future.
+ */
+ if (args->flags & XFS_ICREATE_INIT_XATTRS) {
+ ip->i_forkoff = xfs_default_attroffset(ip) >> 3;
+ xfs_ifork_init_attr(ip, XFS_DINODE_FMT_EXTENTS, 0);
+
+ if (!xfs_has_attr(mp)) {
+ spin_lock(&mp->m_sb_lock);
+ xfs_add_attr(mp);
+ spin_unlock(&mp->m_sb_lock);
+ xfs_log_sb(tp);
+ }
+ }
+
+ xfs_trans_log_inode(tp, ip, flags);
+}
uint16_t flags;
};
+/*
+ * Flags for xfs_trans_ichgtime().
+ */
+#define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */
+#define XFS_ICHGTIME_CHG 0x2 /* inode field change timestamp */
+#define XFS_ICHGTIME_CREATE 0x4 /* inode create timestamp */
+#define XFS_ICHGTIME_ACCESS 0x8 /* last access timestamp */
+void xfs_trans_ichgtime(struct xfs_trans *tp, struct xfs_inode *ip, int flags);
+
+void xfs_inode_init(struct xfs_trans *tp, const struct xfs_icreate_args *args,
+ struct xfs_inode *ip);
+
#endif /* __XFS_INODE_UTIL_H__ */
#define XFS_REFC_BTREE_REF 1
#define XFS_SSB_REF 0
-/*
- * Flags for xfs_trans_ichgtime().
- */
-#define XFS_ICHGTIME_MOD 0x1 /* data fork modification timestamp */
-#define XFS_ICHGTIME_CHG 0x2 /* inode field change timestamp */
-#define XFS_ICHGTIME_CREATE 0x4 /* inode create timestamp */
-#define XFS_ICHGTIME_ACCESS 0x8 /* last access timestamp */
-
/* Computed inode geometry for the filesystem. */
struct xfs_ino_geometry {
/* Maximum inode count in this filesystem. */
#include "xfs_pnfs.h"
#include "xfs_parent.h"
#include "xfs_xattr.h"
-#include "xfs_sb.h"
+#include "xfs_inode_util.h"
struct kmem_cache *xfs_inode_cache;
return error;
}
-/* Propagate di_flags from a parent inode to a child inode. */
-static void
-xfs_inode_inherit_flags(
- struct xfs_inode *ip,
- const struct xfs_inode *pip)
-{
- unsigned int di_flags = 0;
- xfs_failaddr_t failaddr;
- umode_t mode = VFS_I(ip)->i_mode;
-
- if (S_ISDIR(mode)) {
- if (pip->i_diflags & XFS_DIFLAG_RTINHERIT)
- di_flags |= XFS_DIFLAG_RTINHERIT;
- if (pip->i_diflags & XFS_DIFLAG_EXTSZINHERIT) {
- di_flags |= XFS_DIFLAG_EXTSZINHERIT;
- ip->i_extsize = pip->i_extsize;
- }
- if (pip->i_diflags & XFS_DIFLAG_PROJINHERIT)
- di_flags |= XFS_DIFLAG_PROJINHERIT;
- } else if (S_ISREG(mode)) {
- if ((pip->i_diflags & XFS_DIFLAG_RTINHERIT) &&
- xfs_has_realtime(ip->i_mount))
- di_flags |= XFS_DIFLAG_REALTIME;
- if (pip->i_diflags & XFS_DIFLAG_EXTSZINHERIT) {
- di_flags |= XFS_DIFLAG_EXTSIZE;
- ip->i_extsize = pip->i_extsize;
- }
- }
- if ((pip->i_diflags & XFS_DIFLAG_NOATIME) &&
- xfs_inherit_noatime)
- di_flags |= XFS_DIFLAG_NOATIME;
- if ((pip->i_diflags & XFS_DIFLAG_NODUMP) &&
- xfs_inherit_nodump)
- di_flags |= XFS_DIFLAG_NODUMP;
- if ((pip->i_diflags & XFS_DIFLAG_SYNC) &&
- xfs_inherit_sync)
- di_flags |= XFS_DIFLAG_SYNC;
- if ((pip->i_diflags & XFS_DIFLAG_NOSYMLINKS) &&
- xfs_inherit_nosymlinks)
- di_flags |= XFS_DIFLAG_NOSYMLINKS;
- if ((pip->i_diflags & XFS_DIFLAG_NODEFRAG) &&
- xfs_inherit_nodefrag)
- di_flags |= XFS_DIFLAG_NODEFRAG;
- if (pip->i_diflags & XFS_DIFLAG_FILESTREAM)
- di_flags |= XFS_DIFLAG_FILESTREAM;
-
- ip->i_diflags |= di_flags;
-
- /*
- * Inode verifiers on older kernels only check that the extent size
- * hint is an integer multiple of the rt extent size on realtime files.
- * They did not check the hint alignment on a directory with both
- * rtinherit and extszinherit flags set. If the misaligned hint is
- * propagated from a directory into a new realtime file, new file
- * allocations will fail due to math errors in the rt allocator and/or
- * trip the verifiers. Validate the hint settings in the new file so
- * that we don't let broken hints propagate.
- */
- failaddr = xfs_inode_validate_extsize(ip->i_mount, ip->i_extsize,
- VFS_I(ip)->i_mode, ip->i_diflags);
- if (failaddr) {
- ip->i_diflags &= ~(XFS_DIFLAG_EXTSIZE |
- XFS_DIFLAG_EXTSZINHERIT);
- ip->i_extsize = 0;
- }
-}
-
-/* Propagate di_flags2 from a parent inode to a child inode. */
-static void
-xfs_inode_inherit_flags2(
- struct xfs_inode *ip,
- const struct xfs_inode *pip)
-{
- xfs_failaddr_t failaddr;
-
- if (pip->i_diflags2 & XFS_DIFLAG2_COWEXTSIZE) {
- ip->i_diflags2 |= XFS_DIFLAG2_COWEXTSIZE;
- ip->i_cowextsize = pip->i_cowextsize;
- }
- if (pip->i_diflags2 & XFS_DIFLAG2_DAX)
- ip->i_diflags2 |= XFS_DIFLAG2_DAX;
-
- /* Don't let invalid cowextsize hints propagate. */
- failaddr = xfs_inode_validate_cowextsize(ip->i_mount, ip->i_cowextsize,
- VFS_I(ip)->i_mode, ip->i_diflags, ip->i_diflags2);
- if (failaddr) {
- ip->i_diflags2 &= ~XFS_DIFLAG2_COWEXTSIZE;
- ip->i_cowextsize = 0;
- }
-}
-
-/* Initialise an inode's attributes. */
-static void
-xfs_inode_init(
- struct xfs_trans *tp,
- const struct xfs_icreate_args *args,
- struct xfs_inode *ip)
-{
- struct xfs_inode *pip = args->pip;
- struct inode *dir = pip ? VFS_I(pip) : NULL;
- struct xfs_mount *mp = tp->t_mountp;
- struct inode *inode = VFS_I(ip);
- unsigned int flags;
- int times = XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG |
- XFS_ICHGTIME_ACCESS;
-
- if (args->flags & XFS_ICREATE_TMPFILE)
- set_nlink(inode, 0);
- else if (S_ISDIR(args->mode))
- set_nlink(inode, 2);
- else
- set_nlink(inode, 1);
- inode->i_rdev = args->rdev;
-
- if (!args->idmap || pip == NULL) {
- /* creating a tree root, sb rooted, or detached file */
- inode->i_uid = GLOBAL_ROOT_UID;
- inode->i_gid = GLOBAL_ROOT_GID;
- ip->i_projid = 0;
- inode->i_mode = args->mode;
- } else {
- /* creating a child in the directory tree */
- if (dir && !(dir->i_mode & S_ISGID) && xfs_has_grpid(mp)) {
- inode_fsuid_set(inode, args->idmap);
- inode->i_gid = dir->i_gid;
- inode->i_mode = args->mode;
- } else {
- inode_init_owner(args->idmap, inode, dir, args->mode);
- }
-
- /*
- * If the group ID of the new file does not match the effective
- * group ID or one of the supplementary group IDs, the S_ISGID
- * bit is cleared (and only if the irix_sgid_inherit
- * compatibility variable is set).
- */
- if (irix_sgid_inherit && (inode->i_mode & S_ISGID) &&
- !vfsgid_in_group_p(i_gid_into_vfsgid(args->idmap, inode)))
- inode->i_mode &= ~S_ISGID;
-
- ip->i_projid = pip ? xfs_get_initial_prid(pip) : 0;
- }
-
- ip->i_disk_size = 0;
- ip->i_df.if_nextents = 0;
- ASSERT(ip->i_nblocks == 0);
-
- ip->i_extsize = 0;
- ip->i_diflags = 0;
-
- if (xfs_has_v3inodes(mp)) {
- inode_set_iversion(inode, 1);
- ip->i_cowextsize = 0;
- times |= XFS_ICHGTIME_CREATE;
- }
-
- xfs_trans_ichgtime(tp, ip, times);
-
- flags = XFS_ILOG_CORE;
- switch (args->mode & S_IFMT) {
- case S_IFIFO:
- case S_IFCHR:
- case S_IFBLK:
- case S_IFSOCK:
- ip->i_df.if_format = XFS_DINODE_FMT_DEV;
- flags |= XFS_ILOG_DEV;
- break;
- case S_IFREG:
- case S_IFDIR:
- if (pip && (pip->i_diflags & XFS_DIFLAG_ANY))
- xfs_inode_inherit_flags(ip, pip);
- if (pip && (pip->i_diflags2 & XFS_DIFLAG2_ANY))
- xfs_inode_inherit_flags2(ip, pip);
- fallthrough;
- case S_IFLNK:
- ip->i_df.if_format = XFS_DINODE_FMT_EXTENTS;
- ip->i_df.if_bytes = 0;
- ip->i_df.if_data = NULL;
- break;
- default:
- ASSERT(0);
- }
-
- /*
- * If we need to create attributes immediately after allocating the
- * inode, initialise an empty attribute fork right now. We use the
- * default fork offset for attributes here as we don't know exactly what
- * size or how many attributes we might be adding. We can do this
- * safely here because we know the data fork is completely empty and
- * this saves us from needing to run a separate transaction to set the
- * fork offset in the immediate future.
- */
- if (args->flags & XFS_ICREATE_INIT_XATTRS) {
- ip->i_forkoff = xfs_default_attroffset(ip) >> 3;
- xfs_ifork_init_attr(ip, XFS_DINODE_FMT_EXTENTS, 0);
-
- if (!xfs_has_attr(mp)) {
- spin_lock(&mp->m_sb_lock);
- xfs_add_attr(mp);
- spin_unlock(&mp->m_sb_lock);
- xfs_log_sb(tp);
- }
- }
-
- xfs_trans_log_inode(tp, ip, flags);
-}
-
/*
* Initialise a newly allocated inode and return the in-core inode to the
* caller locked exclusively.
bool xfs_trans_ordered_buf(xfs_trans_t *, struct xfs_buf *);
void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
-void xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
void xfs_trans_log_buf(struct xfs_trans *, struct xfs_buf *, uint,
uint);
projects / thirdparty / kernel / linux.git / commitdiff
