On Tue, 2010-05-04 at 00:32 +0300, Kirill A. Shutemov wrote: > We cannot modify file->f_mapping->backing_dev_info, because it will corrupt > backing device of device node inode, since file->f_mapping is equal to > inode->i_mapping (see __dentry_open() in fs/open.c). > > Let's introduce separate inode for MTD device with appropriate backing > device. > > Signed-off-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> > > --- > Changelog v1 -> v2: > - Fix error handling based on comments by Jan Kara. How about a version of this patch which applies to the mtd-2.6 tree git://git.infradead.org/mtd-2.6.git (webview: http://git.infradead.org/mtd-2.6.git) This one does not apply: [dedekind@eru mtd-2.6]$ git am ~/tmp/k Applying: mtd: Do not corrupt backing device of device node inode error: patch failed: drivers/mtd/mtdchar.c:954 error: drivers/mtd/mtdchar.c: patch does not apply error: patch failed: drivers/mtd/mtdcore.c:383 error: drivers/mtd/mtdcore.c: patch does not apply Patch failed at 0001 mtd: Do not corrupt backing device of device node inode When you have resolved this problem run "git am --resolved". If you would prefer to skip this patch, instead run "git am --skip". To restore the original branch and stop patching run "git am --abort". [dedekind@eru mtd-2.6]$ patch -p1 < .git/rebase-apply/patch patching file drivers/mtd/mtdchar.c Hunk #2 succeeded at 88 (offset -3 lines). Hunk #3 succeeded at 119 (offset -3 lines). Hunk #4 succeeded at 145 (offset -3 lines). Hunk #5 FAILED at 979. 1 out of 5 hunks FAILED -- saving rejects to file drivers/mtd/mtdchar.c.rej patching file drivers/mtd/mtdcore.c Hunk #1 FAILED at 383. 1 out of 1 hunk FAILED -- saving rejects to file drivers/mtd/mtdcore.c.rej patching file include/linux/mtd/mtd.h Hunk #2 succeeded at 175 (offset -3 lines). -- Best Regards, Artem Bityutskiy (Артём Битюцкий) -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
