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/linux/Documentation/filesystems/
A Dsharedsubtree.rst86 2b) A slave mount is like a shared mount except that mount and umount events
289 mount --make-slave mount
309 mount --make-shared mount
384 1. 'A' is a shared mount and 'B' is a shared mount. A new mount 'C'
393 2. 'A' is a private mount and 'B' is a shared mount. A new mount 'C'
401 3. 'A' is a slave mount of mount 'Z' and 'B' is a shared mount. A new
423 7. 'A' is a slave mount of mount 'Z' and 'B' is a non-shared mount. A
512 propagation from mount 'B'. The mount 'A' becomes a shared mount and a
517 3. 'A' is a slave mount of mount 'Z' and 'B' is a shared mount. The
534 unbindable) mount. The mount 'A' is mounted on mount 'B' at dentry 'b'.
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A Dautofs-mount-control.rst28 from the mount tree.
105 above and so the mount points can be covered by a mount.
141 in the mount table. An operation to lookup the mount status of a mount
202 The ioctlfd field is a mount point file descriptor of an autofs mount
274 the autofs mount. The device number can be obtained from the mount options
300 to a existing mount we need to use this to tell the autofs mount about
316 Make the autofs mount point catatonic. The autofs mount will no longer
391 set to an autofs mount type. The call returns 1 if this is a mount point
400 a mountpoint or contains a mount, such as a multi-mount without a root
401 mount. In this case we return 1 if the descriptor corresponds to a mount
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A Dgfs2-uevents.rst7 During the lifetime of a GFS2 mount, a number of uevents are generated.
17 The ADD event occurs at mount time. It will always be the first
18 uevent generated by the newly created filesystem. If the mount
23 and RDONLY=[0|1] that specify the spectator status (a read-only mount
42 nodes in the cluster to mount the filesystem.
49 for every journal recovered, whether it is during the initial mount
58 uevent for a successful mount or remount.
71 The REMOVE uevent is generated at the end of an unsuccessful mount
84 The LOCKTABLE is a string, as supplied on the mount command
86 as well as providing the information for a lock_dlm mount to be
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A Dautofs.rst78 and whether the mount was *indirect* or not.
103 mount has already happened. The VFS doesn't try to mount anything but
104 follows down the mount that is already there.
135 causing the directory not be a mount trap after all.
141 caught in the mount trap.
183 reason that it might not be is if an expiry of the mount is
321 be passed using the 'fd=' mount option. autofs will write
550 The "ignore" mount option
555 mount information.
558 space based on the kernel mount list a no-op mount option ("ignore" is
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A Dfuse.rst18 Non-privileged mount (or user mount):
64 mount system call is interpreted as the name of the device.
78 The numeric user id of the mount owner.
81 The numeric group id of the mount owner.
89 'allow_other' mount option.
111 mount -t fusectl none /sys/fs/fuse/connections
132 Only the owner of the mount may read or write these files.
226 A) The mount owner could gain elevated privileges by either:
275 monitored or manipulated by the mount owner. Since if the
276 mount owner can ptrace a process, it can do all of the above
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A Dtmpfs.rst17 be adjusted on the fly via 'mount -o remount ...'
33 1) There is always a kernel internal mount which you will not see at
37 This mount does not depend on CONFIG_TMPFS. If CONFIG_TMPFS is not
47 Remember to create the directory that you intend to mount tmpfs on
50 This mount is _not_ needed for SYSV shared memory. The internal
51 mount is used for that. (In the 2.3 kernel versions it was
52 necessary to mount the predecessor of tmpfs (shm fs) to use SYSV
55 3) Some people (including me) find it very convenient to mount it
63 tmpfs has three mount options for sizing:
89 tmpfs has a mount option to set the NUMA memory allocation policy for
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A Ddevpts.rst7 Each mount of the devpts filesystem is now distinct such that ptys
8 and their indicies allocated in one mount are independent from ptys
21 to bind mount ``/dev/ptx/ptmx`` to ``/dev/ptmx``. If you opt for using
28 kernel.pty.reserve = 1024 - reserved for filesystems mounted from the initial mount namespace
31 Per-instance limit could be set by adding mount option ``max=<count>``.
A Decryptfs.rst37 then copy the files back into the new eCryptfs mount to migrate the
45 files (i.e., /root/crypt). Then, create the mount point directory
46 (i.e., /mnt/crypt). Now it's time to mount eCryptfs::
48 mount -t ecryptfs /root/crypt /mnt/crypt
65 Then umount /mnt/crypt and mount again per the instructions given
78 mount a directory that has pre-existing files not created by eCryptfs,
A Didmappings.rst631 kernel ids in the mount's idmapping::
637 make_kuid(mount, uid) = kuid
646 from_kuid(mount, kid) = uid
656 mount idmapping: u0:k10000:r10000
723 mount idmapping: u0:k10000:r10000
757 mount idmapping: u0:k10000:r10000
872 and files on a per-mount basis.
897 mount idmapping: u1000:k1125:r1
928 mount idmapping: u1000:k1125:r1
975 mounted with must be stashed. An idmapped mount is then any mount that has
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A Doverlayfs.rst35 make the overlay mount more compliant with filesystem scanners and
120 At mount time, the two directories given as mount options "lowerdir" and
123 mount -t overlay overlay -olowerdir=/lower,upperdir=/upper,\
322 mount --bind /upper /merged
358 parameter metacopy=on/off. Lastly, there is also a per mount option
359 metacopy=on/off to enable/disable this feature per mount.
400 lower root origin, mount will fail with ESTALE. An overlayfs mount with
406 mount time. So if same upper is mounted with different set of lower, mount
571 read-write mount and will result in an error.
579 Volatile mount
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A Dntfs3.rst11 versions up to 3.1. File system type to use on mount is *ntfs3*.
31 The list below describes mount options supported by NTFS3 driver in addition to
32 generic ones. You can use every mount option with **no** option. If it is in
60 - "No access rules" mount option sets access rights for files/folders to
61 777 and owner/group to root. This mount option absorbs all other
84 - Forces the driver to mount partitions even if volume is marked dirty.
/linux/fs/
A Dpnode.c17 static inline struct mount *next_peer(struct mount *p) in next_peer()
22 static inline struct mount *first_slave(struct mount *p) in first_slave()
27 static inline struct mount *last_slave(struct mount *p) in last_slave()
32 static inline struct mount *next_slave(struct mount *p) in next_slave()
37 static struct mount *get_peer_under_root(struct mount *mnt, in get_peer_under_root()
62 struct mount *m; in get_dominating_id()
149 static struct mount *propagation_next(struct mount *m, in propagation_next()
170 static struct mount *skip_propagation_subtree(struct mount *m, in skip_propagation_subtree()
183 static struct mount *next_group(struct mount *m, struct mount *origin) in next_group()
220 static inline bool peers(struct mount *m1, struct mount *m2) in peers()
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A Dpnode.h33 static inline void set_mnt_shared(struct mount *mnt) in set_mnt_shared()
39 void change_mnt_propagation(struct mount *, int);
40 int propagate_mnt(struct mount *, struct mountpoint *, struct mount *,
43 int propagate_mount_busy(struct mount *, int);
44 void propagate_mount_unlock(struct mount *);
45 void mnt_release_group_id(struct mount *);
47 int mnt_get_count(struct mount *mnt);
49 struct mount *);
51 struct mount *mnt);
52 struct mount *copy_tree(struct mount *, struct dentry *, int);
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A Dnamespace.c627 struct mount *p; in __lookup_mnt()
872 static void __attach_mnt(struct mount *mnt, struct mount *parent) in __attach_mnt()
911 struct mount *m; in commit_tree()
930 static struct mount *next_mnt(struct mount *p, struct mount *root) in next_mnt()
946 static struct mount *skip_mnt_tree(struct mount *p) in skip_mnt_tree()
1120 struct mount *m; in cleanup_mnt()
1278 struct mount *p; in mnt_clone_internal()
1385 struct mount *p; in may_umount_tree()
1435 struct mount *m; in namespace_unlock()
1503 struct mount *p; in umount_tree()
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A Dmount.h10 struct mount * root;
39 struct mount { struct
41 struct mount *mnt_parent; argument
63 struct mount *mnt_master; /* slave is on master->mnt_slave_list */ argument
84 static inline struct mount *real_mount(struct vfsmount *mnt) in real_mount() argument
86 return container_of(mnt, struct mount, mnt); in real_mount()
89 static inline int mnt_has_parent(struct mount *mnt) in mnt_has_parent()
100 extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *);
107 struct mount *m = __lookup_mnt(path->mnt, path->dentry); in __path_is_mountpoint()
131 struct mount cursor;
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/linux/security/tomoyo/
A Dmount.c33 r->param.mount.dev->name, in tomoyo_audit_mount_log()
34 r->param.mount.dir->name, in tomoyo_audit_mount_log()
35 r->param.mount.type->name, in tomoyo_audit_mount_log()
36 r->param.mount.flags); in tomoyo_audit_mount_log()
57 tomoyo_compare_name_union(r->param.mount.dir, in tomoyo_check_mount_acl()
59 (!r->param.mount.need_dev || in tomoyo_check_mount_acl()
159 r->param.mount.need_dev = need_dev; in tomoyo_mount_acl()
160 r->param.mount.dev = &rdev; in tomoyo_mount_acl()
161 r->param.mount.dir = &rdir; in tomoyo_mount_acl()
162 r->param.mount.type = &rtype; in tomoyo_mount_acl()
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/linux/Documentation/admin-guide/cifs/
A Dusage.rst62 domain to the proper network user. The mount.cifs mount helper can be
103 in order to reduce risks, the ``nosuid`` mount flag is passed in on mount to
166 disabled on a per-mount basis by specifying ``nouser_xattr`` on mount.
172 ``noacl`` on mount.
213 mount helper display the mount steps more verbosely.
289 mount.
308 who executed the mount (root, except when mount.cifs
412 when the cifs mount helper cifs.mount (version 1.1 or later)
435 the mount helper, mount.cifs. When mount.cifs is installed it
476 under nfsd requires this mount option on the cifs mount.
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A Dintroduction.rst19 Storage vendors, so this network filesystem client can mount to a
36 This filesystem has a mount utility (mount.cifs) and various user space
45 mount.cifs should be installed in the directory with the other mount helpers.
/linux/Documentation/admin-guide/nfs/
A Dnfs-rdma.rst55 An NFS/RDMA mount point can be obtained by using the mount.nfs command in
59 mount.nfs you are using, type:
63 $ /sbin/mount.nfs -V
86 or v4 mounts. To initiate a v4 mount, the binary must be called
87 mount.nfs4. The standard technique is to create a symlink called
88 mount.nfs4 to mount.nfs.
90 This mount.nfs binary should be installed at /sbin/mount.nfs as follows:
94 $ sudo cp utils/mount/mount.nfs /sbin/mount.nfs
97 by the system mount command.
283 command to mount the NFS/RDMA server:
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/linux/tools/testing/selftests/move_mount_set_group/
A Dmove_mount_set_group_test.c118 if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, 0)) in prepare_unpriv_mountns()
198 if (mount("testing", "/tmp", "tmpfs", MS_NOATIME | MS_NODEV, in move_mount_set_group_supported()
202 if (mount(NULL, "/tmp", NULL, MS_PRIVATE, 0)) in move_mount_set_group_supported()
211 if (mount("testing", SET_GROUP_FROM, "tmpfs", MS_NOATIME | MS_NODEV, in move_mount_set_group_supported()
215 if (mount(SET_GROUP_FROM, SET_GROUP_TO, NULL, MS_BIND, NULL)) in move_mount_set_group_supported()
218 if (mount(NULL, SET_GROUP_FROM, NULL, MS_SHARED, 0)) in move_mount_set_group_supported()
246 ASSERT_EQ(mount("testing", "/tmp", "tmpfs", MS_NOATIME | MS_NODEV, in FIXTURE_SETUP()
251 ASSERT_EQ(mount("testing", SET_GROUP_A, "tmpfs", MS_NOATIME | MS_NODEV, in FIXTURE_SETUP()
319 ret = mount(NULL, SET_GROUP_A, NULL, MS_SHARED, 0); in get_nestedns_mount_cb()
/linux/Documentation/filesystems/cifs/
A Dcifsroot.rst15 which will tell the kernel to mount the root file system over the
18 In order to mount, the network stack will also need to be set up by
22 A CIFS root mount currently requires the use of SMB1+UNIX Extensions
31 to use can nonetheless be changed via the 'vers=' mount option. This
52 This is just a virtual device that basically tells the kernel to mount
59 Enables the kernel to mount the root file system via SMB that are
62 The default mount options are set in fs/cifs/cifsroot.c.
71 Optional mount options. For more information, see mount.cifs(8).
/linux/tools/testing/selftests/wireguard/qemu/
A Dinit.c91 if (mount("none", "/dev", "devtmpfs", 0, NULL)) in mount_filesystems()
93 if (mount("none", "/proc", "proc", 0, NULL)) in mount_filesystems()
95 if (mount("none", "/sys", "sysfs", 0, NULL)) in mount_filesystems()
97 if (mount("none", "/tmp", "tmpfs", 0, NULL)) in mount_filesystems()
99 if (mount("none", "/run", "tmpfs", 0, NULL)) in mount_filesystems()
101 if (mount("none", "/sys/kernel/debug", "debugfs", 0, NULL)) in mount_filesystems()
/linux/tools/testing/selftests/firmware/
A Dfw_namespace.c72 if (mount("test", "/lib/firmware", "tmpfs", MS_RDONLY, NULL) == -1) in test_fw_in_ns()
105 if (mount(NULL, "/", NULL, MS_SLAVE|MS_REC, NULL) == -1) in test_fw_in_ns()
109 if (mount("test", "/lib/firmware", "tmpfs", MS_RDONLY, NULL) == -1) in test_fw_in_ns()
128 if (mount("test", "/lib/firmware", "tmpfs", 0, NULL) == -1) in main()
/linux/security/
A Dinode.c25 static struct vfsmount *mount; variable
121 error = simple_pin_fs(&fs_type, &mount, &mount_count); in securityfs_create_dentry()
126 parent = mount->mnt_root; in securityfs_create_dentry()
171 simple_release_fs(&mount, &mount_count); in securityfs_create_dentry()
312 simple_release_fs(&mount, &mount_count); in securityfs_remove()
/linux/Documentation/cdrom/
A Dpacket-writing.rst25 - Now you can mount /dev/pktcdvd/dev_name and copy files to it. Enjoy::
27 # mount /dev/pktcdvd/dev_name /cdrom -t udf -o rw,noatime
42 # mount /dev/pktcdvd/dev_name /cdrom -t udf -o rw,noatime
56 # mount /dev/hdc /cdrom -t udf -o rw,noatime
69 # mount /dev/pktcdvd/dev_name /cdrom -t udf -o rw,noatime
85 use the noatime mount option.
111 # mount -t udf -o rw,noatime /dev/pktcdvd/dev_name /dvdram

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