vitalif
/
e2fsprogs
mirror of https://github.com/vitalif/e2fsprogs
1
0
Fork 0
Code Issues Releases Wiki Activity

chattr.1.in: Update man page

bitmap-optimize
Theodore Ts'o 2002-11-08 20:02:21 -05:00
parent c4e5e36a40
commit 51f8f8d260
2 changed files with 20 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
misc/ChangeLog
View File

@ -1,3 +1,7 @@
2002-11-08 Theodore Ts'o <tytso@mit.edu>
* chattr.1.in: Update man page.
2002-10-31 Theodore Ts'o <tytso@mit.edu>
* Release of E2fsprogs 1.30

22
misc/chattr.1.in
View File

@ -19,7 +19,7 @@ chattr \- change file attributes on a Linux second extended file system
.B chattr
changes the file attributes on a Linux second extended file system.
.PP
The format of a symbolic mode is +-=[ASacDdisTtu].
The format of a symbolic mode is +-=[ASacDdIijsTtu].
.PP
The operator `+' causes the selected attributes to be added to the
existing attributes of the files; `-' causes them to be removed; and
@ -48,10 +48,11 @@ not modified. This avoids a certain amount of disk I/O for laptop
systems.
.PP
A file with the `a' attribute set can only be open in append mode for writing.
Only the superuser can set or clear this attribute.
Only the superuser or a process pessessing the CAP_LINUX_IMMUTABLE
capability can set or clear this attribute.
.PP
A file with the `c' attribute set is automatically compressed on the disk
by the kernel. A read from this file returns uncompressed data. A write to
by the kernel. A read from this file returns uncompressed data. A write to
this file compresses data before storing them on the disk.
.PP
When a directory with the `D' attribute set is modified,
@ -69,15 +70,24 @@ set or reset using
although it can be displayed by
.BR lsattr (1).
.PP
The 'I' attribute is used by the htree code to indicate that a directory
is behind indexed using hashed trees. It may not be set or reset using
.BR chattr (1),
although it can be displayed by
.BR lsattr (1).
.PP
A file with the `i' attribute cannot be modified: it cannot be deleted or
renamed, no link can be created to this file and no data can be written
to the file. Only the superuser can set or clear this attribute.
to the file. Only the superuser or a process pessessing the
CAP_LINUX_IMMUTABLE capability can set or clear this attribute.
.PP
A file with the `j' attribute has all of its data written to the ext3
journal before being written to the file itself, if the filesystem is
mounted with the "data=ordered" or "data=writeback" options. When the
filesystem is mounted with the "data=journalled" option all file data
is already journalled and this attribute has no effect.
is already journalled and this attribute has no effect.
Only the superuser or a process possessing the CAP_SYS_RESOURCE
capability can set or clear this attribute.
.PP
When a file with the `s' attribute set is deleted, its blocks are zeroed and
written back to the disk.
@ -88,7 +98,7 @@ the `sync' mount option applied to a subset of the files.
.PP
A directory with the 'T' attribute will be deemed to be the top of
directory hierarchies for the purposes of the Orlov block allocator
(which is used in newer kernels).
(which is used in on systems with Linux 2.5.46 or later).
.PP
A file with the 't' attribute will not have a partial block fragment at
the of the file merged with other files (for those filesystems which