FreeBSD src
84b0aac5fd
Previously, the atime-modifying vnops called ZFS_ACCESSTIME_STAMP() followed by zfs_inode_update() to update the atime. However, since atimes are cached in the znode for delayed writing, the zfs_inode_update() function would effectively ignore the cached atime by reading it from the SA. This commit moves the updating of the atime in the inode into zfs_tstamp_update_setup() which is called by the ZFS_ACCESSTIME_STAMP() macro and eliminates the call to zfs_inode_update() in the atime-modifying vnops. It's possible the same thing could have been done directly in zfs_inode_update() but I wasn't sure that it was safe in all cases where it is called. The effect is that atime handling is as if "strictatime" were selected; even if the filesystem is mounted with "relatime". Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Issue #1949 |
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Native ZFS for Linux!
ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.
ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers.
Full documentation for installing ZoL on your favorite Linux distribution can be found at: http://zfsonlinux.org