Add missing mount options to ext3 and ext4 filesystems. This also remove resize
option information from the man page.
Changelog:
V2 - applied phrasing corrections
Signed-off-by: Carlos Maiolino <[email protected]>
---
sys-utils/mount.8 | 42 +++++++++++++++++++++++++++++++-----------
1 file changed, 31 insertions(+), 11 deletions(-)
diff --git a/sys-utils/mount.8 b/sys-utils/mount.8
index 6a5edd0..7f05f52 100644
--- a/sys-utils/mount.8
+++ b/sys-utils/mount.8
@@ -1466,12 +1466,12 @@ journal file; ext3 will create a new journal, overwriting the old contents
of the file whose inode number is
.IR inum .
.TP
-.BR journal_dev=devnum
+.BR journal_dev=devnum / journal_path=path
When the external journal device's major/minor numbers
-have changed, this option allows the user to specify
+have changed, these options allow the user to specify
the new journal location. The journal device is
-identified through its new major/minor numbers encoded
-in devnum.
+identified either through its new major/minor numbers encoded
+in devnum, or via a path to the device.
.TP
.BR norecovery / noload
Don't load the journal on mounting. Note that
@@ -1504,6 +1504,13 @@ internal filesystem integrity, however it can allow old data to appear
in files after a crash and journal recovery.
.RE
.TP
+.BR data_err=ignore
+Just print an error message if an error occurs in a file data buffer in
+ordered mode.
+.TP
+.BR data_err=abort
+Abort the journal if an error occurs in a file data buffer in ordered mode.
+.TP
.BR barrier=0 " / " barrier=1 "
This enables/disables barriers. barrier=0 disables it, barrier=1 enables it.
Write barriers enforce proper on-disk ordering of journal commits, making
@@ -1541,7 +1548,7 @@ incorporates scalability and reliability enhancements for supporting large
filesystem.
The options
-.B journal_dev, noload, data, commit, orlov, oldalloc, [no]user_xattr
+.B journal_dev, norecovery, noload, data, commit, orlov, oldalloc, [no]user_xattr
.B [no]acl, bsddf, minixdf, debug, errors, data_err, grpid, bsdgroups, nogrpid
.B sysvgroups, resgid, resuid, sb, quota, noquota, grpquota, usrquota
.B usrjquota, grpjquota and jqfmt
@@ -1637,6 +1644,17 @@ operation is committed. This provides roughly the same level of guarantees as
ext3, and avoids the "zero-length" problem that can happen when a system
crashes before the delayed allocation blocks are forced to disk.
.TP
+.BR noinit_itable
+Do not initialize any uninitialized inode table blocks in the background. This
+feature may be used by installation CD's so that the install process can
+complete as quickly as possible; the inode table initialization process would
+then be deferred until the next time the filesystem is mounted.
+.TP
+.BR init_itable=n
+The lazy itable init code will wait n times the number of milliseconds it took
+to zero out the previous block group's inode table. This minimizes the impact on
+system performance while the filesystem's inode table is being initialized.
+.TP
.BR discard / nodiscard
Controls whether ext4 should issue discard/TRIM commands to the underlying
block device when blocks are freed. This is useful for SSD devices and
@@ -1648,12 +1666,6 @@ Disables 32-bit UIDs and GIDs. This is for
interoperability with older kernels which only
store and expect 16-bit values.
.TP
-.BR resize
-Allows to resize filesystem to the end of the last
-existing block group, further resize has to be done
-with resize2fs either online, or offline. It can be
-used only with conjunction with remount.
-.TP
.BR block_validity / noblock_validity
This options allows to enables/disables the in-kernel facility for tracking
filesystem metadata blocks within internal data structures. This allows multi-
@@ -1672,6 +1684,14 @@ Note that dioread_nolock code path is only used for extent-based files.
Because of the restrictions this options comprises it is off by default
(e.g. dioread_lock).
.TP
+.BR max_dir_size_kb=n
+This limits the size of the directories so that any attempt to expand them
+beyond the specified limit in kilobytes will cause an ENOSPC error. This is
+useful in memory-constrained environments, where a very large directory can
+cause severe performance problems or even provoke the Out Of Memory killer. (For
+example, if there is only 512mb memory available, a 176mb directory may
+seriously cramp the system's style.)
+.TP
.BR i_version
Enable 64-bit inode version support. This option is off by default.
--
1.8.1.4
On Fri, Jan 10, 2014 at 11:06:40AM -0200, Carlos Maiolino wrote:
> sys-utils/mount.8 | 42 +++++++++++++++++++++++++++++++-----------
> 1 file changed, 31 insertions(+), 11 deletions(-)
Applied, thanks.
--
Karel Zak <[email protected]>
http://karelzak.blogspot.com