diff options
| author | Seth Forshee <[email protected]> | 2021-02-09 13:42:17 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2021-02-09 17:26:44 -0800 |
| commit | ad69c389ec110ea54f8b0c0884b255340ef1c736 (patch) | |
| tree | 1db493abac355579651b8f0b701467b4e42e8895 | |
| parent | b85a7a8bb5736998b8a681937a9749b350c17988 (diff) | |
tmpfs: disallow CONFIG_TMPFS_INODE64 on alpha
As with s390, alpha is a 64-bit architecture with a 32-bit ino_t. With
CONFIG_TMPFS_INODE64=y tmpfs mounts will get 64-bit inode numbers and
display "inode64" in the mount options, whereas passing "inode64" in the
mount options will fail. This leads to erroneous behaviours such as
this:
# mkdir mnt
# mount -t tmpfs nodev mnt
# mount -o remount,rw mnt
mount: /home/ubuntu/mnt: mount point not mounted or bad option.
Prevent CONFIG_TMPFS_INODE64 from being selected on alpha.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: ea3271f7196c ("tmpfs: support 64-bit inums per-sb")
Signed-off-by: Seth Forshee <[email protected]>
Acked-by: Hugh Dickins <[email protected]>
Cc: Chris Down <[email protected]>
Cc: Amir Goldstein <[email protected]>
Cc: Richard Henderson <[email protected]>
Cc: Ivan Kokshaysky <[email protected]>
Cc: Matt Turner <[email protected]>
Cc: <[email protected]> [5.9+]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | fs/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index 3347ec7bd837..da524c4d7b7e 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -203,7 +203,7 @@ config TMPFS_XATTR config TMPFS_INODE64 bool "Use 64-bit ino_t by default in tmpfs" - depends on TMPFS && 64BIT && !S390 + depends on TMPFS && 64BIT && !(S390 || ALPHA) default n help tmpfs has historically used only inode numbers as wide as an unsigned |