afs: Fix large file support
[ Upstream commit b485275f1aca8a9da37fd35e4fad673935e827da ] By default s_maxbytes is set to MAX_NON_LFS, which limits the usable file size to 2GB, enforced by the vfs. Commitb9b1f8d593
("AFS: write support fixes") added support for the 64-bit fetch and store server operations, but did not change this value. As a result, attempts to write past the 2G mark result in EFBIG errors: $ dd if=/dev/zero of=foo bs=1M count=1 seek=2048 dd: error writing 'foo': File too large Set s_maxbytes to MAX_LFS_FILESIZE. Fixes:b9b1f8d593
("AFS: write support fixes") Signed-off-by: Marc Dionne <marc.dionne@auristor.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -393,6 +393,7 @@ static int afs_fill_super(struct super_block *sb,
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/* fill in the superblock */
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sb->s_blocksize = PAGE_SIZE;
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sb->s_blocksize_bits = PAGE_SHIFT;
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sb->s_maxbytes = MAX_LFS_FILESIZE;
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sb->s_magic = AFS_FS_MAGIC;
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sb->s_op = &afs_super_ops;
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if (!as->dyn_root)
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