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| author | Eric Biggers <ebiggers@google.com> | 2020-04-01 13:32:38 -0700 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2020-04-10 11:23:12 -0400 |
| commit | 919003ba7549d84486a3602a3d57affd627a5f56 (patch) | |
| tree | 0ecac115fe98192cc17191a2c9b7857a7475ad84 | |
| parent | 950002f7ce619a3a5014f980eb02608cbae24f46 (diff) | |
| download | e2fsprogs-919003ba7549d84486a3602a3d57affd627a5f56.tar.gz | |
ext4.5: document the stable_inodes feature
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
| -rw-r--r-- | misc/ext4.5.in | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/misc/ext4.5.in b/misc/ext4.5.in index 1db61a5fd..90bc4f889 100644 --- a/misc/ext4.5.in +++ b/misc/ext4.5.in @@ -299,6 +299,20 @@ feature is essentially a more extreme version of sparse_super and is designed to allow a much larger percentage of the disk to have contiguous blocks available for data files. .TP +.B stable_inodes +.br +Marks the filesystem's inode numbers and UUID as stable. +.BR resize2fs (8) +will not allow shrinking a filesystem with this feature, nor +will +.BR tune2fs (8) +allow changing its UUID. This feature allows the use of specialized encryption +settings that make use of the inode numbers and UUID. Note that the +.B encrypt +feature still needs to be enabled separately. +.B stable_inodes +is a "compat" feature, so old kernels will allow it. +.TP .B uninit_bg .br This ext4 file system feature indicates that the block group descriptors @@ -788,6 +802,8 @@ ext4, 4.13 ext4, 5.2 .IP "\fBverity\fR" 2i ext4, 5.4 +.IP "\fBstable_inodes\fR" 2i +ext4, 5.5 .SH SEE ALSO .BR mke2fs (8), .BR mke2fs.conf (5), |