From: Karim Yaghmour signed-off-by: Karim Yaghmour Signed-off-by: Andrew Morton --- 25-akpm/fs/buffer.c | 3 +++ 25-akpm/fs/exec.c | 4 ++++ 25-akpm/fs/ioctl.c | 3 +++ 25-akpm/fs/open.c | 5 +++++ 25-akpm/fs/read_write.c | 19 +++++++++++++++++-- 25-akpm/fs/relayfs/relay.c | 3 +-- 25-akpm/fs/select.c | 4 ++++ 7 files changed, 37 insertions(+), 4 deletions(-) diff -puN fs/buffer.c~ltt-fs-events fs/buffer.c --- 25/fs/buffer.c~ltt-fs-events 2005-01-13 23:01:13.655121256 -0800 +++ 25-akpm/fs/buffer.c 2005-01-13 23:01:13.668119280 -0800 @@ -39,6 +39,7 @@ #include #include #include +#include static int fsync_buffers_list(spinlock_t *lock, struct list_head *list); static void invalidate_bh_lrus(void); @@ -87,7 +88,9 @@ void fastcall unlock_buffer(struct buffe */ void __wait_on_buffer(struct buffer_head * bh) { + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_BUF_WAIT_START, 0, 0, NULL); wait_on_bit(&bh->b_state, BH_Lock, sync_buffer, TASK_UNINTERRUPTIBLE); + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_BUF_WAIT_END, 0, 0, NULL); } static void diff -puN fs/exec.c~ltt-fs-events fs/exec.c --- 25/fs/exec.c~ltt-fs-events 2005-01-13 23:01:13.656121104 -0800 +++ 25-akpm/fs/exec.c 2005-01-13 23:01:13.670118976 -0800 @@ -48,6 +48,7 @@ #include #include #include +#include #include #include @@ -1116,6 +1117,9 @@ int do_execve(char * filename, if (IS_ERR(file)) goto out_kfree; + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_EXEC, 0, + file->f_dentry->d_name.len, file->f_dentry->d_name.name); + sched_exec(); bprm->p = PAGE_SIZE*MAX_ARG_PAGES-sizeof(void *); diff -puN fs/ioctl.c~ltt-fs-events fs/ioctl.c --- 25/fs/ioctl.c~ltt-fs-events 2005-01-13 23:01:13.658120800 -0800 +++ 25-akpm/fs/ioctl.c 2005-01-13 23:01:13.670118976 -0800 @@ -11,6 +11,7 @@ #include #include #include +#include #include #include @@ -68,6 +69,8 @@ asmlinkage long sys_ioctl(unsigned int f goto out; } + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_IOCTL, fd, cmd, NULL); + lock_kernel(); switch (cmd) { case FIOCLEX: diff -puN fs/open.c~ltt-fs-events fs/open.c --- 25/fs/open.c~ltt-fs-events 2005-01-13 23:01:13.659120648 -0800 +++ 25-akpm/fs/open.c 2005-01-13 23:01:13.671118824 -0800 @@ -19,6 +19,8 @@ #include #include #include +#include + #include #include #include @@ -947,6 +949,8 @@ asmlinkage long sys_open(const char __us error = PTR_ERR(f); if (IS_ERR(f)) goto out_error; + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_OPEN, fd, + f->f_dentry->d_name.len, f->f_dentry->d_name.name); fd_install(fd, f); } out: @@ -1022,6 +1026,7 @@ asmlinkage long sys_close(unsigned int f filp = files->fd[fd]; if (!filp) goto out_unlock; + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_CLOSE, fd, 0, NULL); files->fd[fd] = NULL; FD_CLR(fd, files->close_on_exec); __put_unused_fd(files, fd); diff -puN fs/read_write.c~ltt-fs-events fs/read_write.c --- 25/fs/read_write.c~ltt-fs-events 2005-01-13 23:01:13.661120344 -0800 +++ 25-akpm/fs/read_write.c 2005-01-13 23:01:13.672118672 -0800 @@ -14,6 +14,7 @@ #include #include #include +#include #include #include @@ -142,6 +143,9 @@ asmlinkage off_t sys_lseek(unsigned int if (res != (loff_t)retval) retval = -EOVERFLOW; /* LFS: should only happen on 32 bit platforms */ } + + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_SEEK, fd, offset, NULL); + fput_light(file, fput_needed); bad: return retval; @@ -169,6 +173,8 @@ asmlinkage long sys_llseek(unsigned int offset = vfs_llseek(file, ((loff_t) offset_high << 32) | offset_low, origin); + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_SEEK, fd, offset, NULL); + retval = (int)offset; if (offset >= 0) { retval = -EFAULT; @@ -295,6 +301,7 @@ asmlinkage ssize_t sys_read(unsigned int file = fget_light(fd, &fput_needed); if (file) { loff_t pos = file_pos_read(file); + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_READ, fd, count, NULL); ret = vfs_read(file, buf, count, &pos); file_pos_write(file, pos); fput_light(file, fput_needed); @@ -313,6 +320,7 @@ asmlinkage ssize_t sys_write(unsigned in file = fget_light(fd, &fput_needed); if (file) { loff_t pos = file_pos_read(file); + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_WRITE, fd, count, NULL); ret = vfs_write(file, buf, count, &pos); file_pos_write(file, pos); fput_light(file, fput_needed); @@ -334,8 +342,11 @@ asmlinkage ssize_t sys_pread64(unsigned file = fget_light(fd, &fput_needed); if (file) { ret = -ESPIPE; - if (file->f_mode & FMODE_PREAD) + if (file->f_mode & FMODE_PREAD) { + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_READ, fd, count, NULL); ret = vfs_read(file, buf, count, &pos); + } + fput_light(file, fput_needed); } @@ -355,8 +366,10 @@ asmlinkage ssize_t sys_pwrite64(unsigned file = fget_light(fd, &fput_needed); if (file) { ret = -ESPIPE; - if (file->f_mode & FMODE_PWRITE) + if (file->f_mode & FMODE_PWRITE) { + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_WRITE, fd, count, NULL); ret = vfs_write(file, buf, count, &pos); + } fput_light(file, fput_needed); } @@ -541,6 +554,7 @@ sys_readv(unsigned long fd, const struct file = fget_light(fd, &fput_needed); if (file) { loff_t pos = file_pos_read(file); + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_READ, fd, vlen, NULL); ret = vfs_readv(file, vec, vlen, &pos); file_pos_write(file, pos); fput_light(file, fput_needed); @@ -562,6 +576,7 @@ sys_writev(unsigned long fd, const struc file = fget_light(fd, &fput_needed); if (file) { loff_t pos = file_pos_read(file); + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_WRITE, fd, vlen, NULL); ret = vfs_writev(file, vec, vlen, &pos); file_pos_write(file, pos); fput_light(file, fput_needed); diff -puN fs/relayfs/relay.c~ltt-fs-events fs/relayfs/relay.c --- 25/fs/relayfs/relay.c~ltt-fs-events 2005-01-13 23:01:13.662120192 -0800 +++ 25-akpm/fs/relayfs/relay.c 2005-01-13 23:01:13.674118368 -0800 @@ -406,8 +406,7 @@ relay_mmap_region(struct vm_area_struct while (size > 0) { page = kvirt_to_pa(pos); - if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, - PAGE_SIZE, PAGE_SHARED)) + if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, PAGE_SIZE, PAGE_SHARED)) return -EAGAIN; start += PAGE_SIZE; pos += PAGE_SIZE; diff -puN fs/select.c~ltt-fs-events fs/select.c --- 25/fs/select.c~ltt-fs-events 2005-01-13 23:01:13.664119888 -0800 +++ 25-akpm/fs/select.c 2005-01-13 23:01:13.674118368 -0800 @@ -22,6 +22,7 @@ #include /* for STICKY_TIMEOUTS */ #include #include +#include #include @@ -223,6 +224,8 @@ int do_select(int n, fd_set_bits *fds, l file = fget(i); if (file) { f_op = file->f_op; + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_SELECT, i /* The fd*/, + __timeout, NULL); mask = DEFAULT_POLLMASK; if (f_op && f_op->poll) mask = (*f_op->poll)(file, retval ? NULL : wait); @@ -409,6 +412,7 @@ static void do_pollfd(unsigned int num, struct file * file = fget(fd); mask = POLLNVAL; if (file != NULL) { + ltt_ev_file_system(LTT_EV_FILE_SYSTEM_POLL, fd, 0, NULL); mask = DEFAULT_POLLMASK; if (file->f_op && file->f_op->poll) mask = file->f_op->poll(file, *pwait); _