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* UBIFS: dump more in the lprops debugging checkArtem Bityutskiy2011-05-161-0/+4
| | | | Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: simplify lprops debugging checkArtem Bityutskiy2011-05-161-33/+15
| | | | | | | Now we return all errors from 'scan_check_cb()' directly, so we do not need 'struct scan_check_data' any more, and this patch removes it. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: simplify error path in lprops debugging checkArtem Bityutskiy2011-05-161-15/+10
| | | | | | | Simplify error path in 'scan_check_cb()' and stop using the special 'data->err' field, but instead return the error code directly. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: improve debugging lprops scanning a littleArtem Bityutskiy2011-05-161-24/+18
| | | | | | | | | When doing the lprops extra check ('dbg_check_lprops()') we scan whole media. We even scan empty and freeable LEBs which may contain garbage, which we handle after scanning. This patch teach the lprops checking function ('scan_check_cb()') to avoid scanning for free and freeable LEBs and save time. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: use GFP_NOFS properlyArtem Bityutskiy2011-03-241-1/+1
| | | | | | | | | This patch fixes a brown-paperbag bug which was introduced by me: I used incorrect "GFP_KERNEL | GFP_NOFS" allocation flags to make sure my allocations do not cause write-back. But the correct form is "GFP_NOFS". Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: allocate scanning buffer on demandArtem Bityutskiy2011-03-161-6/+20
| | | | | | | | | | | Instead of using pre-allocated 'c->dbg->buf' buffer in 'scan_check_cb()', dynamically allocate it when needed. The intend is to get rid of the pre-allocated 'c->dbg->buf' buffer and save 128KiB of RAM (or more if PEB size is larger). Indeed, currently we allocate this memory even if the user never enables any self-check, which is wasteful. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: improve lprops dumpArtem Bityutskiy2009-09-151-15/+12
| | | | | | | Improve 'dbg_dump_lprop()' and print dark and dead space there, decode flags, and journal heads. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: various minor commentary fixesArtem Bityutskiy2009-09-151-7/+7
| | | | Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: do not print scary error messages needlesslyArtem Bityutskiy2009-09-101-1/+1
| | | | | | | | | | | | | | | | At the moment UBIFS print large and scary error messages and flash dumps in case of nearly any corruption, even if it is a recoverable corruption. For example, if the master node is corrupted, ubifs_scan() prints error dumps, then UBIFS recovers just fine and goes on. This patch makes UBIFS print scary error messages only in real cases, which are not recoverable. It adds 'quiet' argument to the 'ubifs_scan()' function, so the caller may ask 'ubi_scan()' not to print error messages if the caller is able to do recovery. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Reviewed-by: Adrian Hunter <Adrian.Hunter@nokia.com>
* UBIFS: add re-mount debugging checksArtem Bityutskiy2009-01-261-2/+2
| | | | | | | We observe space corrupted accounting when re-mounting. So add some debbugging checks to catch problems like this. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: fix LEB list freeingArtem Bityutskiy2009-01-261-0/+8
| | | | | | | | | When freeing the c->idx_lebs list, we have to release the LEBs as well, because we might be called from mount to read-only mode code. Otherwise the LEBs stay taken forever, which may cause problems when we re-mount back ro RW mode. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: various comment improvements and fixesArtem Bityutskiy2008-12-231-6/+6
| | | | Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: separate debugging fields outArtem Bityutskiy2008-12-031-1/+1
| | | | | | | | Introduce a new data structure which contains all debugging stuff inside. This is cleaner than having debugging stuff directly in 'c'. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: inline one-line functionsArtem Bityutskiy2008-09-301-28/+0
| | | | | | | | | | | 'ubifs_get_lprops()' and 'ubifs_release_lprops()' basically wrap mutex lock and unlock. We have them because we want lprops subsystem be separate and as independent as possible. And we planned better locking rules for lprops. Anyway, because they are short, it is better to inline them. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: add a print, fix comments and more minor stuffArtem Bityutskiy2008-09-301-5/+1
| | | | | | | | | | | | | | This commit adds a reserved pool size print and tweaks the prints to make them look nicer. It also fixes and cleans-up some comments. Additionally, it deletes some blank lines to make the code look a little nicer. In other words, nothing essential. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
* UBIFS: add new flash file systemArtem Bityutskiy2008-07-151-0/+1357
This is a new flash file system. See http://www.linux-mtd.infradead.org/doc/ubifs.html Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
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