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ext4: export iov_shorten from kernel for ext4's use

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Export iov_shorten() from kernel so that ext4 can
truncate too-large writes to bitmapped files.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
This commit is contained in:
Eric Sandeen
2008-01-28 23:58:27 -05:00
committed by Theodore Ts'o
parent cd2291a463
commit 19295529db
1 changed files with 1 additions and 0 deletions
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fs/read_write.c
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@@ -446,6 +446,7 @@ unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to)
} }
return seg; return seg;
} }
EXPORT_SYMBOL(iov_shorten);
ssize_t do_sync_readv_writev(struct file *filp, const struct iovec *iov, ssize_t do_sync_readv_writev(struct file *filp, const struct iovec *iov,
unsigned long nr_segs, size_t len, loff_t *ppos, iov_fn_t fn) unsigned long nr_segs, size_t len, loff_t *ppos, iov_fn_t fn)