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author | Theodore Ts'o <tytso@mit.edu> | 2002-06-15 18:58:39 -0400 |
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committer | Theodore Ts'o <tytso@mit.edu> | 2002-06-15 18:58:39 -0400 |
commit | 88372d5c4b2ebd0405446b42de65bf2b0ebb2408 (patch) | |
tree | 431ca3ddb2d0b5779fc063f801df282fce6e2426 /misc/chattr.1.in | |
parent | b21bf267783274683a432eea6e5c589eab94123e (diff) | |
download | e2fsprogs-88372d5c4b2ebd0405446b42de65bf2b0ebb2408.tar.gz |
Applied Andrew Morton's patch to support the dirsync option.
Diffstat (limited to 'misc/chattr.1.in')
-rw-r--r-- | misc/chattr.1.in | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/misc/chattr.1.in b/misc/chattr.1.in index 82f054bb..be645752 100644 --- a/misc/chattr.1.in +++ b/misc/chattr.1.in @@ -19,16 +19,16 @@ 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 +-=[ASacdistu]. +The format of a symbolic mode is +-=[ASacDdistu]. .PP The operator `+' causes the selected attributes to be added to the existing attributes of the files; `-' causes them to be removed; and `=' causes them to be the only attributes that the files have. .PP -The letters `ASacdijsu' select the new attributes for the files: -don't update atime (A), synchronous updates (S), append only (a), -compressed (c), no dump (d), immutable (i), data journalling (j), -secure deletion (s), and undeletable (u). +The letters `ASacDdijsu' select the new attributes for the files: +don't update atime (A), synchronous updates (S), synchronous directory +updates (D), append only (a), compressed (c), no dump (d), immutable (i), +data journalling (j), secure deletion (s), and undeletable (u). .SH OPTIONS .TP .B \-R @@ -74,6 +74,10 @@ When a file with the `S' attribute set is modified, the changes are written synchronously on the disk; this is equivalent to the `sync' mount option applied to a subset of the files. .PP +When a directory with the `D' attribute set is modified, +the changes are written synchronously on the disk; this is equivalent to +the `dirsync' mount option applied to a subset of the files. +.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 support tail-merging). This is necessary for applications such as LILO @@ -92,6 +96,8 @@ by the kernel filesystem code. These attributes will be implemented in a future ext2 fs version. .PP The `j' option is only useful if the filesystem is mounted as ext3. +.PP +The `D' option is only useful on Linux kernel 2.5.19 and later. .SH AVAILABILITY .B chattr is part of the e2fsprogs package and is available from |