summaryrefslogtreecommitdiff
path: root/fs/xfs/xfs_sysfs.h
AgeCommit message (Collapse)Author
2016-05-18xfs: configurable error behavior via sysfsCarlos Maiolino
We need to be able to change the way XFS behaviours in error conditions depending on the type of underlying storage. This is necessary for handling non-traditional block devices with extended error cases, such as thin provisioned devices that can return ENOSPC as an IO error. Introduce the basic sysfs infrastructure needed to define and configure error behaviours. This is done to be generic enough to extend to configuring behaviour in other error conditions, such as ENOMEM, which also has different desired behaviours according to machine configuration. Signed-off-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
2015-10-12xfs: create global stats and stats_clear in sysfsBill O'Donnell
Currently, xfs global stats are in procfs. This patch introduces (replicates) the global stats in sysfs. Additionally a stats_clear file is introduced in sysfs. Signed-off-by: Bill O'Donnell <billodo@redhat.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-09-09xfs: add debug sysfs attribute setBrian Foster
Create a top-level debug directory for global debug sysfs attributes. This directory is added and removed on XFS module initialization and removal respectively for DEBUG mode kernels only. It typically resides at /sys/fs/xfs/debug. It is located at the top level of the xfs sysfs hierarchy as attributes might define global behavior or behavior that must be configured before an xfs mount is available (e.g., log recovery behavior). Define the global debug kobject that represents the debug sysfs directory and add generic attribute show/store helpers to support future attributes. No debug attributes are exported as of yet. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-07-15xfs: add xlog sysfs kobject and attribute handlersBrian Foster
Embed a kobject into the xfs log data structure (xlog). This creates a 'log' subdirectory for every XFS mount instance in sysfs. The lifecycle of the log kobject is tied to the lifecycle of the log. Also define a set of generic attribute handlers associated with the log kobject in preparation for the addition of attributes. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-07-15xfs: add xfs_mount sysfs kobjectBrian Foster
Embed a base kobject into xfs_mount. This creates a kobject associated with each XFS mount and a subdirectory in sysfs with the name of the filesystem. The subdirectory lifecycle matches that of the mount. Also add the new xfs_sysfs.[c,h] source files with some XFS sysfs infrastructure to facilitate attribute creation. Note that there are currently no attributes exported as part of the xfs_mount kobject. It exists solely to serve as a per-mount container for child objects. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>