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0152d453a0
Suppose that the cluster size is larger than page size. If the buffer at the old EOF (before extending) was partial and dirty, it cannot be automatically neither written out nor validated by the buffer cache, since extending buffer adds invalid pages at the end. Correct the buffer state by calling vfs_bio_clrbuf() on it, to mark newly added and zeroed pages as valid. Note that UFS is immune to the problem because ffs_truncate() always allocate the block and buffer for the last byte of the file. PR: 269341 Reported by: asomers In collaboration with: pho Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D38549 |
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| .. | ||
| bootsect.h | ||
| bpb.h | ||
| denode.h | ||
| direntry.h | ||
| fat.h | ||
| msdosfs_conv.c | ||
| msdosfs_denode.c | ||
| msdosfs_fat.c | ||
| msdosfs_iconv.c | ||
| msdosfs_lookup.c | ||
| msdosfs_vfsops.c | ||
| msdosfs_vnops.c | ||
| msdosfsmount.h | ||