f19b1023a3
[ Upstream commit 723012cab779eee8228376754e22c6594229bf8f ]
Page cache reads are lockless, so setting the freshly allocated page
uptodate before we've overwritten it with the data it's supposed to have
in it will allow a simultaneous reader to see old data. Move the call
to SetPageUptodate into ubifs_write_end(), which is after we copied the
new data into the page.
Fixes:
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|---|---|---|
| .. | ||
| Kconfig | ||
| Makefile | ||
| auth.c | ||
| budget.c | ||
| commit.c | ||
| compress.c | ||
| crypto.c | ||
| debug.c | ||
| debug.h | ||
| dir.c | ||
| file.c | ||
| find.c | ||
| gc.c | ||
| io.c | ||
| ioctl.c | ||
| journal.c | ||
| key.h | ||
| log.c | ||
| lprops.c | ||
| lpt.c | ||
| lpt_commit.c | ||
| master.c | ||
| misc.c | ||
| misc.h | ||
| orphan.c | ||
| recovery.c | ||
| replay.c | ||
| sb.c | ||
| scan.c | ||
| shrinker.c | ||
| super.c | ||
| tnc.c | ||
| tnc_commit.c | ||
| tnc_misc.c | ||
| ubifs-media.h | ||
| ubifs.h | ||
| xattr.c | ||