Messages in this thread | | | Date | Mon, 6 Oct 2014 16:12:27 +0200 | From | Jan Kara <> | Subject | Re: [PATCH 1/1] fallocate: create FAN_MODIFY and IN_MODIFY events |
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On Fri 03-10-14 10:19:30, Heinrich Schuchardt wrote: > The fanotify and the inotify API can used to monitor changes of the file > system. > > System call fallocate modifies files. Hence it should trigger the corresponding > fanotify (FAN_MODIFY) and inotify (IN_MODIFY) events. > > This patch adds the missing call to fsnotify_modify. Well, there are different fallocate() commands and e.g. pure FALLOC_FL_KEEP_SIZE call will not change any data in the file. I'm not sure how much we care but I wanted to point that out...
Honza
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> > --- > fs/open.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/fs/open.c b/fs/open.c > index d6fd3ac..03aa8e5 100644 > --- a/fs/open.c > +++ b/fs/open.c > @@ -295,6 +295,11 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) > > sb_start_write(inode->i_sb); > ret = file->f_op->fallocate(file, mode, offset, len); > + > + /* Create inotify and fanotify events. */ > + if (ret == 0) > + fsnotify_modify(file); > + > sb_end_write(inode->i_sb); > return ret; > } > -- > 2.1.0 > -- Jan Kara <jack@suse.cz> SUSE Labs, CR
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