>How can i_size be increased without adding blocks? Are you referring to a
>write which remains wholly within the final block of the file?
Yes, It is a case when a file extends within the final block.
>
>And what are the user-visible consequences of this bug?
Because the i_size is not written to the FS through fsync(),
an user can not see the whole content of a file when filesystem
crashes just after fsync() call.
thanks.
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