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authorLinus Torvalds <torvalds@linux-foundation.org>2012-10-08 20:40:45 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-08 20:40:45 +0900
commite9eca4de957ac33744fb994ccacd4a5102e445a8 (patch)
treefc1cf7c808d3daa365a56856321834d030fcf10d /MAINTAINERS
parent1929041bd8afeb3995b7c68d6f16e03422848a4c (diff)
parent76ac66e469f084d41742ba08923de76fbdc7dce3 (diff)
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Merge tag 'upstream-3.7-rc1-fastmap' of git://git.infradead.org/linux-ubi
Pull UBI fastmap changes from Artem Bityutskiy: "This pull request contains the UBI fastmap support implemented by Richard Weinberger from Linutronix. Fastmap is designed to address UBI's slow scanning issues. Namely, it introduces a new on-flash data-structure called "fastmap", which stores the information about logical<->physical eraseblocks mappings. So now to get this information just read the fastmap, instead of doing full scan. More information here can be found in Richard's announcement in LKML (Subject: UBI: Fastmap request for inclusion (v19)): http://thread.gmane.org/gmane.linux.kernel/1364922/focus=1369109 One thing I want to explicitly say is that fastmap did not have large enough linux-next exposure. It is partially my fault - I did not respond quickly enough. I _really_ apologize for this. But it had good testing and disabled by default, so I do not expect that we'll break anything. Fastmap is declared as experimental so far, and it is off by default. We did declare that the on-flash format may be changed. The reason for this is that no one used it in real production so far, so there is a high risk that something is missing. Besides, we do not have user-space tools supporting fastmap so far. Nevertheless, I suggest we merge this feature. Many people want UBI's scanning bottleneck to be fixed and merging fastmap now should accelerate its production use. The plan is to make it bullet-prove, somewhat clean-up, and make it the default for UBI. I do not know how many kernel releases will it take. Basically, I what I want to do for fastmap is something like Linus did for btrfs few years ago." * tag 'upstream-3.7-rc1-fastmap' of git://git.infradead.org/linux-ubi: UBI: Wire-up fastmap UBI: Add fastmap core UBI: Add fastmap support to the WL sub-system UBI: Add fastmap stuff to attach.c UBI: Wire-up ->fm_sem UBI: Add fastmap bits to build.c UBI: Add self_check_eba() UBI: Export next_sqnum() UBI: Add fastmap stuff to ubi.h UBI: Add fastmap on-flash data structures
Diffstat (limited to 'MAINTAINERS')
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diff --git a/MAINTAINERS b/MAINTAINERS
index 84ee86719bd9..b4e5ecf8d3d2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7457,6 +7457,12 @@ F: drivers/mtd/ubi/
F: include/linux/mtd/ubi.h
F: include/mtd/ubi-user.h
+UNSORTED BLOCK IMAGES (UBI) Fastmap
+M: Richard Weinberger <richard@nod.at>
+L: linux-mtd@lists.infradead.org
+S: Maintained
+F: drivers/mtd/ubi/fastmap.c
+
USB ACM DRIVER
M: Oliver Neukum <oliver@neukum.org>
L: linux-usb@vger.kernel.org