From 17973f5af741f1758ed57c5115ca394c22bee159 Mon Sep 17 00:00:00 2001 From: Micah Cowan Date: Sun, 15 Jul 2007 23:40:08 -0700 Subject: [PATCH] Only send SIGXFSZ when exceeding rlimits. Some users have been having problems with utilities like cp or dd dumping core when they try to copy a file that's too large for the destination filesystem (typically, > 4gb). Apparently, some defunct standards required SIGXFSZ to be sent in such circumstances, but SUS only requires/allows it for when a written file exceeds the process's resource limits. I'd like to limit SIGXFSZs to the bare minimum required by SUS. Patch sent per http://lkml.org/lkml/2007/4/10/302 Signed-off-by: Micah Cowan Acked-by: Alan Cox Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/ncpfs/file.c | 2 -- fs/reiserfs/file.c | 1 - mm/filemap.c | 2 -- 3 files changed, 5 deletions(-) diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c index d3152f8d95c6..2b145de45b39 100644 --- a/fs/ncpfs/file.c +++ b/fs/ncpfs/file.c @@ -203,7 +203,6 @@ ncp_file_write(struct file *file, const char __user *buf, size_t count, loff_t * if (pos + count > MAX_NON_LFS && !(file->f_flags&O_LARGEFILE)) { if (pos >= MAX_NON_LFS) { - send_sig(SIGXFSZ, current, 0); return -EFBIG; } if (count > MAX_NON_LFS - (u32)pos) { @@ -212,7 +211,6 @@ ncp_file_write(struct file *file, const char __user *buf, size_t count, loff_t * } if (pos >= inode->i_sb->s_maxbytes) { if (count || pos > inode->i_sb->s_maxbytes) { - send_sig(SIGXFSZ, current, 0); return -EFBIG; } } diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index 30eebfb1b2d8..2070aeee2a52 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -1305,7 +1305,6 @@ static ssize_t reiserfs_file_write(struct file *file, /* the file we are going t if (get_inode_item_key_version (inode) == KEY_FORMAT_3_5 && *ppos + count > MAX_NON_LFS) { if (*ppos >= MAX_NON_LFS) { - send_sig(SIGXFSZ, current, 0); return -EFBIG; } if (count > MAX_NON_LFS - (unsigned long)*ppos) diff --git a/mm/filemap.c b/mm/filemap.c index adbac104f34c..100b99c2d504 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1967,7 +1967,6 @@ inline int generic_write_checks(struct file *file, loff_t *pos, size_t *count, i if (unlikely(*pos + *count > MAX_NON_LFS && !(file->f_flags & O_LARGEFILE))) { if (*pos >= MAX_NON_LFS) { - send_sig(SIGXFSZ, current, 0); return -EFBIG; } if (*count > MAX_NON_LFS - (unsigned long)*pos) { @@ -1985,7 +1984,6 @@ inline int generic_write_checks(struct file *file, loff_t *pos, size_t *count, i if (likely(!isblk)) { if (unlikely(*pos >= inode->i_sb->s_maxbytes)) { if (*count || *pos > inode->i_sb->s_maxbytes) { - send_sig(SIGXFSZ, current, 0); return -EFBIG; } /* zero-length writes at ->s_maxbytes are OK */ -- 2.20.1