path_setxattr

Name:path_setxattr

Proto:static int path_setxattr(const char __user *pathname, const char __user *name, const void __user *value, size_t size, int flags, unsigned int lookup_flags)

Type:int

Parameter:

Type	Parameter	Name
const char __user *	pathname
const char __user *	name
const void __user *	value
size_t	size
int	flags
unsigned int	lookup_flags

464

retry :

465

error = user_path_at(Special value used to indicateopenat should use the currentworking directory. , pathname, lookup_flags, & path)

466

If error Then Return error

468

error = mnt_want_write - get write access to a mount*@m: the mount on which to take a write* This tells the low-level filesystem that a write is about to be performed to* it, and makes sure that writes are allowed (mount is read-write, filesystem

469

If Not error Then

470

error = Extended attribute SET operations

471

mnt_drop_write - give up write access to a mount*@mnt: the mount on which to give up write access* Tells the low-level filesystem that we are done performing writes to it and* also allows filesystem to be frozen again. Must be matched with

473

path_put - put a reference to a path*@path: path to put the reference to* Given a path decrement the reference count to the dentry and the vfsmount.

474

If ry_estale - determine whether the caller should retry an operation*@error: the error that would currently be returned*@flags: flags being used for next lookup attempt* Check to see if the error code was -ESTALE, and then determine whether Then

475

lookup_flags |= ll ->d_revalidate() to trust no cache

476

Go to retry

478

Return error

**Caller**
Name	Describe
SYSCALL_DEFINE5
SYSCALL_DEFINE5

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