/*
- * Copyright (c) 2000-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2017 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#define VFSATTR_f_signature (1LL<< 22)
#define VFSATTR_f_carbon_fsid (1LL<< 23)
#define VFSATTR_f_uuid (1LL<< 24)
+#define VFSATTR_f_quota (1LL<< 25)
+#define VFSATTR_f_reserved (1LL<< 26)
+
/*
* Argument structure.
uint16_t f_signature; /* used for ATTR_VOL_SIGNATURE, Carbon's FSVolumeInfo.signature */
uint16_t f_carbon_fsid; /* same as Carbon's FSVolumeInfo.filesystemID */
uuid_t f_uuid; /* file system UUID (version 3 or 5), available in 10.6 and later */
+ uint64_t f_quota; /* total quota data blocks in file system */
+ uint64_t f_reserved; /* total reserved data blocks in file system */
};
#pragma pack()
#define MNT_NOUSERXATTR 0x01000000 /* Don't allow user extended attributes */
#define MNT_DEFWRITE 0x02000000 /* filesystem should defer writes */
#define MNT_MULTILABEL 0x04000000 /* MAC support for individual labels */
-#define MNT_NOATIME 0x10000000 /* disable update of file access time */
+#define MNT_NOATIME 0x10000000 /* disable update of file access time */
+#define MNT_SNAPSHOT 0x40000000 /* The mount is a snapshot */
#ifdef BSD_KERNEL_PRIVATE
/* #define MNT_IMGSRC_BY_INDEX 0x20000000 see sys/imgsrc.h */
#endif /* BSD_KERNEL_PRIVATE */
MNT_ROOTFS | MNT_DOVOLFS | MNT_DONTBROWSE | \
MNT_IGNORE_OWNERSHIP | MNT_AUTOMOUNTED | MNT_JOURNALED | \
MNT_NOUSERXATTR | MNT_DEFWRITE | MNT_MULTILABEL | \
- MNT_NOATIME | MNT_CPROTECT)
+ MNT_NOATIME | MNT_SNAPSHOT | MNT_CPROTECT)
/*
* External filesystem command modifier flags.
* Unmount can use the MNT_FORCE flag.
#define VQ_SYNCEVENT 0x0400 /* a sync just happened (not set by kernel starting Mac OS X 10.9) */
#define VQ_SERVEREVENT 0x0800 /* server issued notification/warning */
#define VQ_QUOTA 0x1000 /* a user quota has been hit */
-#define VQ_FLAG2000 0x2000 /* placeholder */
-#define VQ_FLAG4000 0x4000 /* placeholder */
+#define VQ_NEARLOWDISK 0x2000 /* Above lowdisk and below desired disk space */
+#define VQ_DESIRED_DISK 0x4000 /* the desired disk space */
#define VQ_FLAG8000 0x8000 /* placeholder */
};
#define VFSIOC_MOUNT_SNAPSHOT _IOW('V', 1, struct fs_snapshot_mount_args)
-#define VFSCTL_MOUNT_SNAPSHOT IOCBASECMD(VFSIOC_MOUNT_SNAPSHOT)
struct fs_snapshot_revert_args {
struct componentname *sr_cnp;
};
#define VFSIOC_REVERT_SNAPSHOT _IOW('V', 2, struct fs_snapshot_revert_args)
-#define VFSCTL_REVERT_SNAPSHOT IOCBASECMD(VFSIOC_REVERT_SNAPSHOT)
+
+struct fs_snapshot_root_args {
+ struct componentname *sr_cnp;
+};
+#define VFSIOC_ROOT_SNAPSHOT _IOW('V', 3, struct fs_snapshot_root_args)
#endif /* KERNEL */
*/
void vfs_clearextendedsecurity(mount_t mp);
+/*!
+ @function vfs_setnoswap
+ @abstract Mark a filesystem as unable to use swap files.
+ @param mp Mount to mark.
+ */
+void vfs_setnoswap(mount_t mp);
+
+/*!
+ @function vfs_clearnoswap
+ @abstract Mark a filesystem as capable of using swap files.
+ @param mp Mount to mark.
+ */
+void vfs_clearnoswap(mount_t mp);
+
/*!
@function vfs_setlocklocal
@abstract Mark a filesystem as using VFS-level advisory locking support.
@abstract Get information about filesystem status.
@discussion Each filesystem has a struct vfsstatfs associated with it which is updated as events occur; this function
returns a pointer to it. Note that the data in the structure will continue to change over time and also that it may
- be quite stale of vfs_update_vfsstat has not been called recently.
+ be quite stale if vfs_update_vfsstat has not been called recently.
@param mp Mount for which to get vfsstatfs pointer.
@return Pointer to vfsstatfs.
*/
*/
void vfs_event_init(void); /* XXX We should not export this */
+/*!
+ @function vfs_set_root_unmount_cleanly
+ @abstract This function should be called by the root file system
+ when it is being mounted if the file system state is consistent.
+*/
+void vfs_set_root_unmounted_cleanly(void);
+
#ifdef KERNEL_PRIVATE
int vfs_getbyid(fsid_t *fsid, ino64_t ino, vnode_t *vpp, vfs_context_t ctx);
int vfs_getattr(mount_t mp, struct vfs_attr *vfa, vfs_context_t ctx);
int getfsstat64(struct statfs64 *, int, int) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5,__MAC_10_6,__IPHONE_NA,__IPHONE_NA);
#endif /* !__DARWIN_ONLY_64_BIT_INO_T */
int getmntinfo(struct statfs **, int) __DARWIN_INODE64(getmntinfo);
+int getmntinfo_r_np(struct statfs **, int) __DARWIN_INODE64(getmntinfo_r_np)
+ __OSX_AVAILABLE(10.13) __IOS_AVAILABLE(11.0)
+ __TVOS_AVAILABLE(11.0) __WATCHOS_AVAILABLE(4.0);
#if !__DARWIN_ONLY_64_BIT_INO_T
int getmntinfo64(struct statfs64 **, int) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5,__MAC_10_6,__IPHONE_NA,__IPHONE_NA);
#endif /* !__DARWIN_ONLY_64_BIT_INO_T */
int mount(const char *, const char *, int, void *);
+int fmount(const char *, int, int, void *) __OSX_AVAILABLE(10.13) __IOS_AVAILABLE(11.0) __TVOS_AVAILABLE(11.0) __WATCHOS_AVAILABLE(4.0);
int statfs(const char *, struct statfs *) __DARWIN_INODE64(statfs);
#if !__DARWIN_ONLY_64_BIT_INO_T
int statfs64(const char *, struct statfs64 *) __OSX_AVAILABLE_BUT_DEPRECATED(__MAC_10_5,__MAC_10_6,__IPHONE_NA,__IPHONE_NA);
projects / apple / xnu.git / blobdiff