Re: [PATCH 21/37] libext2fs: have UNIX IO manager use pread/pwrite

[PATCH 00/37] e2fsprogs patchbomb 5/14 · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 01/37] misc: create better-packaged static analysis reports · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 01/37] misc: create better-packaged static analysis reports · Theodore Ts'o <tytso@mit.edu> · 2014-05-11
[PATCH 02/37] misc: coverity fixes · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 02/37] misc: coverity fixes · Lukáš Czerner <hidden> · 2014-05-02
Re: [PATCH 02/37] misc: coverity fixes · Darrick J. Wong <hidden> · 2014-05-05
Re: [PATCH 02/37] misc: coverity fixes · Theodore Ts'o <tytso@mit.edu> · 2014-05-11
[PATCH 03/37] libext2fs: create sockets when populating filesystem · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 03/37] libext2fs: create sockets when populating filesystem · Lukáš Czerner <hidden> · 2014-05-02
Re: [PATCH 03/37] libext2fs: create sockets when populating filesystem · Darrick J. Wong <hidden> · 2014-05-05
Re: [PATCH 03/37] libext2fs: create sockets when populating filesystem · Theodore Ts'o <tytso@mit.edu> · 2014-05-11
[PATCH 04/37] mke2fs: always warn if 128-byte inode and inline_data · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 04/37] mke2fs: always warn if 128-byte inode and inline_data · Lukáš Czerner <hidden> · 2014-05-02
Re: [PATCH 04/37] mke2fs: always warn if 128-byte inode and inline_data · Darrick J. Wong <hidden> · 2014-05-05
Re: [PATCH 04/37] mke2fs: always warn if 128-byte inode and inline_data · Theodore Ts'o <tytso@mit.edu> · 2014-05-12
[PATCH 05/37] debugfs: teach logdump to deal with 64bit revoke tables · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 05/37] debugfs: teach logdump to deal with 64bit revoke tables · Lukáš Czerner <hidden> · 2014-05-02
Re: [PATCH 05/37] debugfs: teach logdump to deal with 64bit revoke tables · Darrick J. Wong <hidden> · 2014-05-05
Re: [PATCH 05/37] debugfs: teach logdump to deal with 64bit revoke tables · Lukáš Czerner <hidden> · 2014-05-06
Re: [PATCH 05/37] debugfs: teach logdump to deal with 64bit revoke tables · Theodore Ts'o <tytso@mit.edu> · 2014-05-12
[PATCH 06/37] debugfs: force logdump to display (old) journal contents · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 06/37] debugfs: force logdump to display (old) journal contents · Lukáš Czerner <hidden> · 2014-05-02
Re: [PATCH 06/37] debugfs: force logdump to display (old) journal contents · Darrick J. Wong <hidden> · 2014-05-06
Re: [PATCH 06/37] debugfs: force logdump to display (old) journal contents · Theodore Ts'o <tytso@mit.edu> · 2014-05-12
Re: [PATCH 06/37] debugfs: force logdump to display (old) journal contents · Theodore Ts'o <tytso@mit.edu> · 2014-05-12
Re: [PATCH 06/37] debugfs: force logdump to display (old) journal contents · Darrick J. Wong <hidden> · 2014-05-14
[PATCH 07/37] resize2fs: fix check for collision between old GDT and superblock on sparse_super2 fs · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 07/37] resize2fs: fix check for collision between old GDT and superblock on sparse_super2 fs · Theodore Ts'o <tytso@mit.edu> · 2014-05-12
[PATCH 08/37] mke2fs: set gdt csum when creating packed fs · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 08/37] mke2fs: set gdt csum when creating packed fs · Lukáš Czerner <hidden> · 2014-05-02
Re: [PATCH 08/37] mke2fs: set gdt csum when creating packed fs · Theodore Ts'o <tytso@mit.edu> · 2014-05-12
[PATCH 09/37] mke2fs: set error behavior at initialization time · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 09/37] mke2fs: set error behavior at initialization time · Lukáš Czerner <hidden> · 2014-05-02
[PATCH 10/37] e2fsck: verify checksums after checking everything else · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 10/37] e2fsck: verify checksums after checking everything else · Lukáš Czerner <hidden> · 2014-05-02
Re: [PATCH 10/37] e2fsck: verify checksums after checking everything else · Darrick J. Wong <hidden> · 2014-05-05
Re: [PATCH 10/37] e2fsck: verify checksums after checking everything else · Lukáš Czerner <hidden> · 2014-05-06
Re: [PATCH 10/37] e2fsck: verify checksums after checking everything else · Darrick J. Wong <hidden> · 2014-05-08
[PATCH 12/37] e2fsck: insert a missing dirent tail for checksums if possible · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 12/37] e2fsck: insert a missing dirent tail for checksums if possible · Lukáš Czerner <hidden> · 2014-05-02
Re: [PATCH 12/37] e2fsck: insert a missing dirent tail for checksums if possible · Darrick J. Wong <hidden> · 2014-05-05
[PATCH 11/37] e2fsck: fix the extended attribute checksum error message · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 11/37] e2fsck: fix the extended attribute checksum error message · Lukáš Czerner <hidden> · 2014-05-02
Re: [PATCH 11/37] e2fsck: fix the extended attribute checksum error message · Darrick J. Wong <hidden> · 2014-05-05
Re: [PATCH 11/37] e2fsck: fix the extended attribute checksum error message · Lukáš Czerner <hidden> · 2014-05-06
[PATCH 13/37] e2fsck: write dir blocks after new inode when reconstructing root/lost+found · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 13/37] e2fsck: write dir blocks after new inode when reconstructing root/lost+found · Lukáš Czerner <hidden> · 2014-05-05
[PATCH 14/37] dumpe2fs: add switch to disable checksum verification · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 14/37] dumpe2fs: add switch to disable checksum verification · Lukáš Czerner <hidden> · 2014-05-05
[PATCH 15/37] mke2fs: set block_validity as a default mount option · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 15/37] mke2fs: set block_validity as a default mount option · Lukáš Czerner <hidden> · 2014-05-05
[PATCH 16/37] libext2fs: support allocating uninit blocks in bmap2() · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 16/37] libext2fs: support allocating uninit blocks in bmap2() · Lukáš Czerner <hidden> · 2014-05-06
Re: [PATCH 16/37] libext2fs: support allocating uninit blocks in bmap2() · Darrick J. Wong <hidden> · 2014-05-06
Re: [PATCH 16/37] libext2fs: support allocating uninit blocks in bmap2() · Lukáš Czerner <hidden> · 2014-05-07
Re: [PATCH 16/37] libext2fs: support allocating uninit blocks in bmap2() · Darrick J. Wong <hidden> · 2014-05-07
[PATCH 1/2] libext2fs: support BLKZEROOUT/FALLOC_FL_ZERO_RANGE in ext2fs_zero_blocks · Darrick J. Wong <hidden> · 2014-05-08
Re: [PATCH 1/2] libext2fs: support BLKZEROOUT/FALLOC_FL_ZERO_RANGE in ext2fs_zero_blocks · Lukáš Czerner <hidden> · 2014-05-13
[PATCH 2/2] libext2fs: support allocating uninit blocks in bmap2() · Darrick J. Wong <hidden> · 2014-05-08
Re: [PATCH 2/2] libext2fs: support allocating uninit blocks in bmap2() · Lukáš Czerner <hidden> · 2014-05-27
Re: [PATCH 2/2] libext2fs: support allocating uninit blocks in bmap2() · Darrick J. Wong <hidden> · 2014-05-28
[PATCH 17/37] libext2fs: file IO routines should handle uninit blocks · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 18/37] resize2fs: convert fs to and from 64bit mode · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 19/37] resize2fs: when toggling 64bit, don't free in-use bg data clusters · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 20/37] resize2fs: adjust reserved_gdt_blocks when changing group descriptor size · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 21/37] libext2fs: have UNIX IO manager use pread/pwrite · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 21/37] libext2fs: have UNIX IO manager use pread/pwrite · Theodore Ts'o <tytso@mit.edu> · 2014-08-02
[PATCH 23/37] e2fsck: provide routines to read-ahead metadata · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 22/37] ext2fs: add readahead method to improve scanning · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 24/37] e2fsck: read-ahead metadata during passes 1, 2, and 4 · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 24/37] e2fsck: read-ahead metadata during passes 1, 2, and 4 · Darrick J. Wong <hidden> · 2014-07-28
[PATCH 25/37] libext2fs: when appending to a file, don't split an index block in equal halves · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 25/37] libext2fs: when appending to a file, don't split an index block in equal halves · Theodore Ts'o <tytso@mit.edu> · 2014-08-02
[PATCH 26/37] libext2fs: find inode goal when allocating blocks · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 27/37] libext2fs: find a range of empty blocks · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 28/37] libext2fs: provide a function to set inode size · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 28/37] libext2fs: provide a function to set inode size · Theodore Ts'o <tytso@mit.edu> · 2014-07-26
[PATCH 29/37] libext2fs: implement fallocate · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 31/37] fuse2fs: translate ACL structures · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 32/37] fuse2fs: handle 64-bit dates correctly · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 33/37] fuse2fs: implement fallocate · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 35/37] tests: enable using fuse2fs with metadata checksum test · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 36/37] tests: test date handling · Darrick J. Wong <hidden> · 2014-05-01
[PATCH 37/37] ext5: define new subtype to add features and reduce testing complexity · Darrick J. Wong <hidden> · 2014-05-01
Re: [PATCH 37/37] ext5: define new subtype to add features and reduce testing complexity · Lukáš Czerner <hidden> · 2014-05-02
Re: [PATCH 37/37] ext5: define new subtype to add features and reduce testing complexity · Theodore Ts'o <tytso@mit.edu> · 2014-05-02
Re: [PATCH 37/37] ext5: define new subtype to add features and reduce testing complexity · Darrick J. Wong <hidden> · 2014-05-06
Re: [PATCH 37/37] ext5: define new subtype to add features and reduce testing complexity · Darrick J. Wong <hidden> · 2014-05-06
Re: [PATCH 37/37] ext5: define new subtype to add features and reduce testing complexity · Lukáš Czerner <hidden> · 2014-05-06
Re: [PATCH 37/37] ext5: define new subtype to add features and reduce testing complexity · Theodore Ts'o <tytso@mit.edu> · 2014-05-06
Re: [PATCH 37/37] ext5: define new subtype to add features and reduce testing complexity · Lukáš Czerner <hidden> · 2014-05-06

From: Theodore Ts'o <tytso@mit.edu>
Date: 2014-08-02 23:19:06

On Thu, May 01, 2014 at 04:14:39PM -0700, Darrick J. Wong wrote:

If pread/pwrite are present, have the UNIX IO manager use them for
aligned IOs (instead of the current seek -> read/write), thereby
saving us a (minor) amount of system call overhead.

Signed-off-by: Darrick J. Wong <redacted>

Thanks, applied.

						- Ted

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