1GENERIC_PERMISSION(9) The Linux VFS GENERIC_PERMISSION(9)
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6 generic_permission - check for access rights on a Posix-like filesystem
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9 int generic_permission(struct inode * inode, int mask,
10 int (*check_acl) (struct inode *inode, int mask));
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13 inode
14 inode to check access rights for
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16 mask
17 right to check for (MAY_READ, MAY_WRITE, MAY_EXEC)
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19 check_acl
20 optional callback to check for Posix ACLs
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23 Used to check for read/write/execute permissions on a file. We use
24 “fsuid” for this, letting us set arbitrary permissions for filesystem
25 access without changing the “normal” uids which are used for other
26 things..
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29Kernel Hackers Manual 2.6. November 2011 GENERIC_PERMISSION(9)