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[PATCH] VFS: pass file pointer to filesystem from ftruncate()

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This patch extends the iattr structure with a file pointer memeber, and adds
an ATTR_FILE validity flag for this member.

This is set if do_truncate() is invoked from ftruncate() or from
do_coredump().

The change is source and binary compatible.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Miklos Szeredi 2005-11-07 00:59:49 -08:00 • committed by Linus Torvalds
parent 481bed4542
commit cc4e69dee4
4 changed files with 18 additions and 6 deletions
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2
fs/exec.c
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@ -1511,7 +1511,7 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
goto close_fail;
if (!file->f_op->write)
goto close_fail;
if (do_truncate(file->f_dentry, 0) != 0)
if (do_truncate(file->f_dentry, 0, file) != 0)
goto close_fail;
retval = binfmt->core_dump(signr, regs, file);