fs: Make write(2) interruptible by a fatal signal

Kernel Space linux-fsdevel@vger.kernel.org : Currently write(2) to a file is not interruptible by any signal. Sometimes this is desirable, e.g. when you want to quickly kill a process hogging your disk. Also, with commit 499d05ecf990 (“mm: Make task in balance_dirty_pages() killable”), it’s necessary to abort the current write accordingly to avoid it quickly dirtying lots …

write — send a message to another user

A UNIX Command $bsd-write jeffrin 8 bsd-write: jeffrin is not logged in on 8 $bsd-write jeffrin tty8 bsd-write: jeffrin has messages disabled on tty8 $mesg y $bsd-write jeffrin tty8 bsd-write: jeffrin has messages disabled on tty8 $w 20:08:58 up 23 min, 3 users, load average: 0.02, 0.15, 0.16 USER TTY FROM LOGIN@ IDLE JCPU PCPU …

files.3

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