| /Linux-v5.10/Documentation/filesystems/ |
| D | sharedsubtree.rst | 10 3) Setting mount states
36 a. shared mount
37 b. slave mount
38 c. private mount
39 d. unbindable mount
42 2a) A shared mount can be replicated to as many mountpoints and all the
47 Let's say /mnt has a mount that is shared::
49 mount --make-shared /mnt
51 Note: mount(8) command now supports the --make-shared flag,
57 # mount --bind /mnt /tmp
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| D | autofs-mount-control.rst | 17 are things such as setting an autofs mount catatonic, setting the
20 mount itself which prevents us being able to use open(2) to obtain a
25 needs to walk back up the mount tree to construct a path, such as
28 from the mount tree.
33 because autofs direct mounts and the implementation of "on demand mount
34 and expire" of nested mount trees have the file system mounted directly
35 on top of the mount trigger directory dentry.
39 a direct mount in disguise) and indirect.
62 operation. So we see a mount of shark:/autofs/export1 on /test/g1, for
65 The way that direct mounts are handled is by making an autofs mount on
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| D | autofs.rst | 46 symbolic links and mount traps. Mount traps are directories with
51 mount traps are created with `mkdir`. The determination of whether a
52 directory should be a mount trap is based on a master map. This master
53 map is consulted by autofs to determine which directories are mount
54 points. Mount points can be *direct*/*indirect*/*offset*.
57 If neither the *direct* or *offset* mount options are given (so the
58 mount is considered to be *indirect*), then the root directory is
59 always a regular directory, otherwise it is a mount trap when it is
62 directory is a mount trap only if the filesystem is mounted *direct*
65 Directories created in the root directory are mount traps only if the
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| D | fuse.rst | 18 Non-privileged mount (or user mount):
31 Mount owner:
41 module (fuse.ko), a userspace library (libfuse.*) and a mount utility
55 The filesystem type given to mount(2) can be one of the following:
58 This is the usual way to mount a FUSE filesystem. The first
59 argument of the mount system call may contain an arbitrary string,
64 mount system call is interpreted as the name of the device.
66 Mount options
78 The numeric user id of the mount owner.
81 The numeric group id of the mount owner.
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| D | tmpfs.rst | 17 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:
84 mount with such options, since it allows any user with write access to
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| D | gfs2-uevents.rst | 7 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
30 The ONLINE uevent is generated after a successful mount or remount. It
40 successful mount of the filesystem by the first node (FIRSTMOUNT=Done).
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
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| D | overlayfs.rst | 35 make the overlay mount more compliant with filesystem scanners and
48 feature with the "-o xino=on" overlay mount option. That is useful for the
120 At mount time, the two directories given as mount options "lowerdir" and
123 mount -t overlay overlay -olowerdir=/lower,upperdir=/upper,\
228 Mount options:
291 2) task creating the overlay mount MUST NOT gain additional privileges
317 mount -t overlay overlay -olowerdir=/lower,upperdir=/upper,... /merged
322 mount --bind /upper /merged
334 mount -t overlay overlay -olowerdir=/lower1:/lower2:/lower3 /merged
358 parameter metacopy=on/off. Lastly, there is also a per mount option
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| D | ecryptfs.rst | 37 then copy the files back into the new eCryptfs mount to migrate the
41 Mount-wide Passphrase
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,
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| D | virtiofs.rst | 15 guest to mount a directory that has been exported on the host.
33 Mount file system with tag ``myfs`` on ``/mnt``:
37 guest# mount -t virtiofs myfs /mnt
42 Mount options
45 virtiofs supports general VFS mount options, for example, remount,
46 ro, rw, context, etc. It also supports FUSE mount options.
51 The atime-related mount options, for example, noatime, strictatime,
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| /Linux-v5.10/fs/ |
| D | pnode.c | 9 #include <linux/mount.h>
12 #include <uapi/linux/mount.h>
16 /* return the next shared peer mount of @p */
17 static inline struct mount *next_peer(struct mount *p) in next_peer()
19 return list_entry(p->mnt_share.next, struct mount, mnt_share); in next_peer()
22 static inline struct mount *first_slave(struct mount *p) in first_slave()
24 return list_entry(p->mnt_slave_list.next, struct mount, mnt_slave); in first_slave()
27 static inline struct mount *last_slave(struct mount *p) in last_slave()
29 return list_entry(p->mnt_slave_list.prev, struct mount, mnt_slave); in last_slave()
32 static inline struct mount *next_slave(struct mount *p) in next_slave()
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| D | pnode.h | 11 #include "mount.h"
33 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 *);
46 int get_dominating_id(struct mount *mnt, const struct path *root);
47 unsigned int mnt_get_count(struct mount *mnt);
48 void mnt_set_mountpoint(struct mount *, struct mountpoint *,
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| D | namespace.c | 30 #include <uapi/linux/mount.h>
37 /* Maximum number of mounts in a mount namespace */
105 static int mnt_alloc_id(struct mount *mnt) in mnt_alloc_id()
115 static void mnt_free_id(struct mount *mnt) in mnt_free_id()
123 static int mnt_alloc_group_id(struct mount *mnt) in mnt_alloc_group_id()
136 void mnt_release_group_id(struct mount *mnt) in mnt_release_group_id()
145 static inline void mnt_add_count(struct mount *mnt, int n) in mnt_add_count()
159 unsigned int mnt_get_count(struct mount *mnt) in mnt_get_count()
175 static struct mount *alloc_vfsmnt(const char *name) in alloc_vfsmnt()
177 struct mount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL); in alloc_vfsmnt()
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| D | mount.h | 2 #include <linux/mount.h>
11 struct mount * root;
40 struct mount { struct
42 struct mount *mnt_parent; argument
57 struct list_head mnt_instance; /* mount instance on sb->s_mounts */ argument
64 struct mount *mnt_master; /* slave is on master->mnt_slave_list */ argument
76 int mnt_id; /* mount identifier */ argument
85 static inline struct mount *real_mount(struct vfsmount *mnt) in real_mount() argument
87 return container_of(mnt, struct mount, mnt); in real_mount()
90 static inline int mnt_has_parent(struct mount *mnt) in mnt_has_parent()
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| /Linux-v5.10/Documentation/admin-guide/cifs/ |
| D | usage.rst | 54 If you do not have the utility mount.cifs (in the Samba 4.x source tree and on
55 the CIFS VFS web site) copy it to the same directory in which mount helpers
57 required, mount.cifs is recommended. Most distros include a ``cifs-utils``
62 domain to the proper network user. The mount.cifs mount helper can be
78 the new default. To use old dialects (e.g. to mount Windows XP) use "vers=1.0"
79 on mount (or vers=2.0 for Windows Vista). Note that the CIFS (vers=1.0) is
83 There are additional mount options that may be helpful for SMB3 to get
91 To permit users to mount and unmount over directories they own is possible
92 with the cifs vfs. A way to enable such mounting is to mark the mount.cifs
93 utility as suid (e.g. ``chmod +s /sbin/mount.cifs``). To enable users to
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| /Linux-v5.10/security/tomoyo/ |
| D | mount.c | 3 * security/tomoyo/mount.c
9 #include <uapi/linux/mount.h>
12 /* String table for special mount operations. */
24 * tomoyo_audit_mount_log - Audit mount log.
32 return tomoyo_supervisor(r, "file mount %s %s %s 0x%lX\n", in tomoyo_audit_mount_log()
33 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()
53 return tomoyo_compare_number_union(r->param.mount.flags, in tomoyo_check_mount_acl()
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| /Linux-v5.10/Documentation/admin-guide/nfs/ |
| D | nfs-rdma.rst | 55 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
73 these to create an NFS/RDMA enabled mount command), the installation
84 After building the nfs-utils package, there will be a mount.nfs binary in
85 the utils/mount directory. This binary can be used to initiate NFS v2, v3,
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:
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| /Linux-v5.10/fs/autofs/ |
| D | dev-ioctl.c | 20 * an ioctl file descriptor on an autofs mount that may be covered by
21 * another mount. This situation arises when starting automount(8)
23 * mounts (used for autofs lazy mount/umount of nested mount trees),
181 /* Find the topmost mount satisfying test() */
223 * Open a file descriptor on the autofs mount point corresponding
256 /* Open a file descriptor on an autofs mount point */
296 * Send "ready" status for an existing wait (either a mount or an expire
310 * Send "fail" status for an existing wait (either a mount or an expire
328 * Normally this is set at mount using an option but if we
329 * are reconnecting to a busy mount then we need to use this
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| D | root.c | 86 * mount point. The daemon must have failed to mount this in autofs_dir_open()
89 * mount request. Otherwise we're doing a readdir on the in autofs_dir_open()
249 pr_debug("waiting for mount name=%pd\n", path->dentry); in autofs_mount_wait()
251 pr_debug("mount wait done status=%d\n", status); in autofs_mount_wait()
290 * If this is an indirect mount the dentry could have gone away in autofs_mountpoint_changed()
318 /* The daemon never triggers a mount. */ in autofs_d_automount()
328 * the mount. in autofs_d_automount()
334 /* Callback to the daemon to perform the mount or wait */ in autofs_d_automount()
357 * after umounting a rootless multi-mount, although it in autofs_d_automount()
360 * the mount never trigger mounts themselves (they have an in autofs_d_automount()
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| /Linux-v5.10/tools/testing/selftests/bpf/prog_tests/ |
| D | test_bpffs.c | 5 #include <sys/mount.h>
38 err = mount("", "/", "", MS_REC | MS_PRIVATE, NULL); in fn()
39 if (CHECK(err, "mount /", "failed: %d\n", errno)) in fn()
46 err = mount("none", TDIR, "tmpfs", 0, NULL); in fn()
47 if (CHECK(err, "mount", "mount root failed: %d\n", errno)) in fn()
57 err = mount("bpf", TDIR "/fs1", "bpf", 0, NULL); in fn()
58 if (CHECK(err, "mount bpffs "TDIR"/fs1", "failed: %d\n", errno)) in fn()
60 err = mount("bpf", TDIR "/fs2", "bpf", 0, NULL); in fn()
61 if (CHECK(err, "mount bpffs " TDIR "/fs2", "failed: %d\n", errno)) in fn()
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| /Linux-v5.10/Documentation/filesystems/cifs/ |
| D | cifsroot.rst | 15 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).
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| /Linux-v5.10/tools/testing/selftests/firmware/ |
| D | fw_namespace.c | 2 /* Test triggering of loading of firmware from different mount
3 * namespaces. Expect firmware to be always loaded from the mount
14 #include <sys/mount.h>
72 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()
126 /* Mount tmpfs to /lib/firmware so we don't have to assume in main()
128 if (mount("test", "/lib/firmware", "tmpfs", 0, NULL) == -1) in main()
137 /* Positive case: firmware in PID1 mount namespace */ in main()
142 /* Negative case: firmware in child mount namespace, expected to fail */ in main()
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| /Linux-v5.10/tools/testing/selftests/filesystems/ |
| D | devpts_pts.c | 12 #include <sys/mount.h>
210 ret = mount("devpts", mntpoint, "devpts", MS_NOSUID | MS_NOEXEC, in verify_non_standard_devpts_mount()
213 fprintf(stderr, "Failed to mount devpts fs to \"%s\" in new " in verify_non_standard_devpts_mount()
214 "mount namespace: %s\n", mntpoint, in verify_non_standard_devpts_mount()
238 ret = mount("/dev/pts/ptmx", "/dev/ptmx", NULL, MS_BIND, NULL); in verify_ptmx_bind_mount()
240 fprintf(stderr, "Failed to bind mount \"/dev/pts/ptmx\" to " in verify_ptmx_bind_mount()
241 "\"/dev/ptmx\" mount namespace\n"); in verify_ptmx_bind_mount()
265 ret = mount("/dev/pts/ptmx", ptmx, NULL, MS_BIND, NULL); in verify_invalid_ptmx_bind_mount()
268 fprintf(stderr, "Failed to bind mount \"/dev/pts/ptmx\" to " in verify_invalid_ptmx_bind_mount()
269 "\"%s\" mount namespace\n", ptmx); in verify_invalid_ptmx_bind_mount()
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| /Linux-v5.10/samples/binderfs/ |
| D | binderfs_example.c | 11 #include <sys/mount.h>
25 fprintf(stderr, "%s - Failed to unshare mount namespace\n", in main()
30 ret = mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, 0); in main()
32 fprintf(stderr, "%s - Failed to mount / as private\n", in main()
44 ret = mount(NULL, "/dev/binderfs", "binder", 0, 0); in main()
46 fprintf(stderr, "%s - Failed to mount binderfs\n", in main()
80 /* Cleanup happens when the mount namespace dies. */ in main()
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| /Linux-v5.10/fs/jfs/ |
| D | jfs_mount.c | 11 * file system mount is interpreted as the mount of aggregate,
12 * if not already mounted, and mount of the single/only fileset in
16 * (aka mount inode) initialized with aggregate superblock;
27 * each inode points to the mount inode (to facilitate access to
65 * -EBUSY - mount table full
66 * -ENOTDIR- cvrdvp not directory on a device mount
80 * (initialize mount inode from the superblock) in jfs_mount()
160 * mount (the only/single) fileset in jfs_mount()
216 jfs_err("Mount JFS Failure: %d", rc); in jfs_mount()
224 * FUNCTION: Completes read-write mount, or remounts read-only volume
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| /Linux-v5.10/fs/fat/ |
| D | Kconfig | 8 to include FAT support. You will then be able to mount partitions or
24 Linux box, say Y here, mount the floppy under Linux with an MSDOS
40 This allows you to mount MSDOS partitions of your hard drive (unless
84 It can be overridden with the "codepage" mount option.
95 with the "iocharset" mount option for FAT filesystems.
109 Set this if you would like to have "utf8" mount option set
113 particular mount by adding "utf8=0" to mount options.
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