-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Edward Shishkin wrote: >> Desired: something (probably, one block) is allocated/reserved for the >> file. File length is set to 1 byte. > > Where is it documented? > > IMHO we should only guarantee that writes > to [0, 1] won't fail because of lack of disk space. > Other things (including file size) are up to implementation. POSIX, SUS. http://www.opengroup.org/onlinepubs/009695399/functions/posix_fallocate.html <<< If the offset+ len is beyond the current file size, then posix_fallocate() shall adjust the file size to offset+ len. Otherwise, the file size shall not be changed. >>> Michael Raskin -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iQEcBAEBAgAGBQJKAajDAAoJEE6tnN0aWvw3umYH/Rhcs2m4UosPLOsSylVAiFiB rRJbeYWX5xaw9wTCV7RW3BkAEM2gJ5De10j4x7g81L7GZQZNz3Pwu6WN+kQOrBnG gSeCg7u5OpvJUrX6HxeJEeUOCg9VDzuTNyEWY3pUEo7L00MLuYqTQimg2pua3oAv Ib7bUWVfRguxgQVO7pnw//CV6L+KBY7OP2za+c2x+Ec+KN0QsgAlYATxNP9+hI4o VJL7nIGoAs5rZXkLuDJpQYgI2sl6yzZy1Jq0Q3+UnjDDLlU945yMQm4LGTEMMHJX i/Ci58y+SNhiDFrPrW1nRCZXE0RiEk01hGTtVVI2yfZJz/dabZAtSgEbyp0k0/c= =6Fmf -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
