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commit c7c3775443ecd01ade5500e09191c5c4e94c2b56
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Author: Zheng Liu <wenqing.lz@taobao.com>
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Date: Wed Feb 12 12:28:29 2014 -0500
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chattr: improve the description for 'j' option in manpage
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Ext4 file system also supports to set/clear 'j' attribute, but it just
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say that this option is only useful for ext3 in manpage. This commit
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fixes it.
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Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
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diff --git a/misc/chattr.1.in b/misc/chattr.1.in
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index 932ef4b..2a3640c 100644
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--- a/misc/chattr.1.in
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+++ b/misc/chattr.1.in
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@@ -112,8 +112,8 @@ to the file. Only the superuser or a process possessing the
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CAP_LINUX_IMMUTABLE capability can set or clear this attribute.
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.PP
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A file with the `j' attribute has all of its data written to the ext3
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-journal before being written to the file itself, if the filesystem is
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-mounted with the "data=ordered" or "data=writeback" options. When the
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+or ext4 journal before being written to the file itself, if the filesystem
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+is mounted with the "data=ordered" or "data=writeback" options. When the
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filesystem is mounted with the "data=journal" option all file data
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is already journalled and this attribute has no effect. Only
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the superuser or a process possessing the CAP_SYS_RESOURCE
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@@ -171,7 +171,7 @@ The `c', 's', and `u' attributes are not honored
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by the ext2, ext3, and ext4 filesystems as implemented in the current
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mainline Linux kernels.
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.PP
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-The `j' option is only useful if the filesystem is mounted as ext3.
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+The `j' option is only useful if the filesystem is mounted as ext3 or ext4.
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.PP
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The `D' option is only useful on Linux kernel 2.5.19 and later.
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.SH AVAILABILITY
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