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Provide a place in sysfs (/sys/class/bdi) for the backing_dev_info object. This allows us to see and set the various BDI specific variables. In particular this properly exposes the read-ahead window for all relevant users and /sys/block/<block>/queue/read_ahead_kb should be deprecated. With patient help from Kay Sievers and Greg KH [mszeredi@suse.cz] - split off NFS and FUSE changes into separate patches - document new sysfs attributes under Documentation/ABI - do bdi_class_init as a core_initcall, otherwise the "default" BDI won't be initialized - remove bdi_init_fmt macro, it's not used very much [akpm@linux-foundation.org: fix ia64 warning] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Kay Sievers <kay.sievers@vrfy.org> Acked-by: Greg KH <greg@kroah.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| debugfs-pktcdvd | ||
| procfs-diskstats | ||
| sysfs-block | ||
| sysfs-bus-pci | ||
| sysfs-bus-usb | ||
| sysfs-class | ||
| sysfs-class-bdi | ||
| sysfs-class-pktcdvd | ||
| sysfs-devices | ||
| sysfs-firmware-acpi | ||
| sysfs-ibft | ||
| sysfs-kernel-uids | ||
| sysfs-ocfs2 | ||
| sysfs-power | ||