lkml.org 
[lkml]   [2009]   [May]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[RFC v16][PATCH 12/43] c/r: add generic '->checkpoint()' f_op to simple devices
    Date
    * /dev/null
    * /dev/zero
    * /dev/random
    * /dev/urandom

    Signed-off-by: Oren Laadan <orenl@cs.columbia.edu>
    ---
    drivers/char/mem.c | 2 ++
    drivers/char/random.c | 2 ++
    2 files changed, 4 insertions(+), 0 deletions(-)

    diff --git a/drivers/char/mem.c b/drivers/char/mem.c
    index 8f05c38..bfde41f 100644
    --- a/drivers/char/mem.c
    +++ b/drivers/char/mem.c
    @@ -797,6 +797,7 @@ static const struct file_operations null_fops = {
    .read = read_null,
    .write = write_null,
    .splice_write = splice_write_null,
    + .checkpoint = generic_file_checkpoint,
    };

    #ifdef CONFIG_DEVPORT
    @@ -813,6 +814,7 @@ static const struct file_operations zero_fops = {
    .read = read_zero,
    .write = write_zero,
    .mmap = mmap_zero,
    + .checkpoint = generic_file_checkpoint,
    };

    /*
    diff --git a/drivers/char/random.c b/drivers/char/random.c
    index 8c74448..211ca70 100644
    --- a/drivers/char/random.c
    +++ b/drivers/char/random.c
    @@ -1164,6 +1164,7 @@ const struct file_operations random_fops = {
    .poll = random_poll,
    .unlocked_ioctl = random_ioctl,
    .fasync = random_fasync,
    + .checkpoint = generic_file_checkpoint,
    };

    const struct file_operations urandom_fops = {
    @@ -1171,6 +1172,7 @@ const struct file_operations urandom_fops = {
    .write = random_write,
    .unlocked_ioctl = random_ioctl,
    .fasync = random_fasync,
    + .checkpoint = generic_file_checkpoint,
    };

    /***************************************************************
    --
    1.6.0.4


    \
     
     \ /
      Last update: 2009-05-27 19:51    [W:0.044 / U:63.324 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site