d_path: make 'prepend()' fill up the buffer exactly on overflow

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Instead of just marking the buffer as having overflowed, fill it up as
much as we can.  That will allow the overflow case to then return
whatever truncated result if it wants to.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Linus Torvalds 2021-07-16 14:01:12 -07:00

parent 7661809d49

commit b0cfcdd9b9

1 changed files with 63 additions and 30 deletions

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fs/d_path.c

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