A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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[9p] Introduce client side TFSYNC/RFSYNC for dotl.

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SYNOPSIS
    size[4] Tfsync tag[2] fid[4]

    size[4] Rfsync tag[2]

DESCRIPTION

The Tfsync transaction transfers ("flushes") all modified in-core data of
file identified by fid to the disk device (or other  permanent  storage
device)  where that  file  resides.

Signed-off-by: Venkateswararao Jujjuri <[email protected]>
Signed-off-by: Eric Van Hensbergen <[email protected]>
This commit is contained in:
Venkateswararao Jujjuri (JV) 2010-09-22 17:19:19 -07:00 • committed by Eric Van Hensbergen
commit 920e65dc69
4 changed files with 44 additions and 2 deletions
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18
fs/9p/vfs_file.c
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@ -290,6 +290,20 @@ static int v9fs_file_fsync(struct file *filp, int datasync)
return retval;
}
static int v9fs_file_fsync_dotl(struct file *filp, int datasync)
{
struct p9_fid *fid;
int retval;
P9_DPRINTK(P9_DEBUG_VFS, "v9fs_file_fsync_dotl: filp %p datasync %x\n",
filp, datasync);
fid = filp->private_data;
retval = p9_client_fsync(fid);
return retval;
}
static const struct file_operations v9fs_cached_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
@ -311,7 +325,7 @@ static const struct file_operations v9fs_cached_file_operations_dotl = {
.release = v9fs_dir_release,
.lock = v9fs_file_lock,
.mmap = generic_file_readonly_mmap,
.fsync = v9fs_file_fsync,
.fsync = v9fs_file_fsync_dotl,
};
const struct file_operations v9fs_file_operations = {
@ -333,5 +347,5 @@ const struct file_operations v9fs_file_operations_dotl = {
.release = v9fs_dir_release,
.lock = v9fs_file_lock,
.mmap = generic_file_readonly_mmap,
.fsync = v9fs_file_fsync,
.fsync = v9fs_file_fsync_dotl,
};